aedef4b44d
glyphs in format A appear. In this case, it is likely that you meant to convert a different file or do a different conversion.
1717 lines
60 KiB
Java
1717 lines
60 KiB
Java
/*
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The contents of this file are subject to the THDL Open Community License
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Version 1.0 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License on the THDL web site
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(http://www.thdl.org/).
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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License for the specific terms governing rights and limitations under the
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License.
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The Initial Developer of this software is the Tibetan and Himalayan Digital
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Library (THDL). Portions created by the THDL are Copyright 2001 THDL.
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All Rights Reserved.
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Contributor(s): ______________________________________.
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*/
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package org.thdl.tib.input;
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import java.io.*;
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import java.util.*;
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import java.awt.*;
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import java.awt.datatransfer.*;
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import java.awt.font.*;
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import java.awt.event.*;
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import javax.swing.*;
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import javax.swing.text.*;
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import javax.swing.event.*;
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import javax.swing.text.rtf.*;
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import org.thdl.tib.text.*;
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import org.thdl.util.ThdlDebug;
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import org.thdl.util.ThdlOptions;
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import org.thdl.util.StatusBar;
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import org.thdl.util.RTFFixerInputStream;
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/**
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* Enables input of Tibetan text
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* using Tibetan Computer Company's free cross-platform TibetanMachineWeb fonts.
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* Two modes of text entry are allowed. In Tibetan mode, keystrokes are intercepted
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* and reinterpreted according to the Tibetan keyboard installed. The result, of
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* course, is Tibetan text, in the TibetanMachineWeb encoding. In Roman mode,
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* keystrokes are not intercepted, and the font defaults to a Roman or user-defined font.
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* @author Edward Garrett, Tibetan and Himalayan Digital Library
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* @version 1.0
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*/
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public class DuffPane extends TibetanPane implements FocusListener {
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/**
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* The status bar to update with messages about the current input mode.
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* Are we expecting a vowel? a subscript? et cetera.
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*/
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private StatusBar statBar = null;
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/**
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* A central part of the Tibetan keyboard. As keys are typed, they are
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* added to charList if they constitute a valid Wylie character. charList
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* is added to in this manner until the user types punctuation, a vowel,
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* or some action or function key. Later, when glyphs are printed to the
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* screen, the {@link #newGlyphList} is computed on the basis of charList.
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*/
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private java.util.ArrayList charList;
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/**
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* This field holds a copy of the last {@link #newGlyphList}.
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* Then, when a key is pressed, {@link #charList} is updated, a new
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* newGlyphList is computed, and the newGlyphList is compared against
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* this field. The text on the screen is then modified to reflect
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* the new newGlyphList.
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*/
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private java.util.List oldGlyphList;
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/**
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* A central component of the Tibetan input method. While {@link #charList charList}
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* keeps track of the characters that have been entered, it does not organize them
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* correctly into the proper glyphs. For example, charList might have four characters
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* in it, 'b', 's', 'g', and 'r', but it does not know that they should be drawn as
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* two glyphs, 'b' and 's-g-r'. newGlyphList is a list of glyphs
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* ({@link org.thdl.tib.text.DuffCode DuffCodes}) which is formed by
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* @link #recomputeGlyphs(boolean areStacksOnRight, boolean definitelyTibetan, boolean definitelySanskrit) recomputeGlyphs},
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* which constructs an optimal arrangement of glyphs from the charList.
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*/
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private java.util.List newGlyphList;
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/**
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* This field keeps track of what is currently being typed, to account
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* for characters (such as Wylie 'tsh') which correspond to more than one
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* keystroke in the keyboard. It is cleared or readjusted when it is clear
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* that the user has moved on to a different character. For example, after the
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* user types 'khr', holdCurrent will contain only 'r', since 'khr' is not
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* a valid character.
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*/
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private StringBuffer holdCurrent;
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/**
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* This field says whether or not the character atop {@link #charList}
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* has been finalized, and therefore whether subsequent keystrokes are
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* allowed to displace this character. For example, if 'k' is at the
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* top of charList, and isTopHypothesis is true, then typing 'h' would
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* replace 'k' with 'kh'. On the other hand, were isTopHypothesis
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* false, then typing 'h' would add 'h' to the top of charList instead.
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* In short, is the top character on {@link #charList} a fact or just a
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* hypothesis?
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*/
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private boolean isTopHypothesis;
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/**
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* Is the user in the process of typing a vowel?
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*/
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private boolean isTypingVowel;
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/**
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* Is it definitely the case that the user is typing Tibetan, rather than
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* Sanskrit?
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*/
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private boolean isDefinitelyTibetan;
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/**
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* According to the active keyboard, what value
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* {@link #isDefinitelyTibetan} should be assigned by default when the
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* keyboard is initialized by {@link #initKeyboard() initKeyboard}
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*/
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private boolean isDefinitelyTibetan_default;
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/**
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* According to the active keyboard, what value {@link
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* #isDefinitelyTibetan} should be assigned if the user has initiated a
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* stack by typing a stack key. For example, in the Wylie keyboard,
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* there is a Sanskrit stacking key ('+'), but no Tibetan stacking key.
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* Therefore, if the user is stacking with '+', this field should be
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* false, since what the user is typing must be Sanskrit, not Tibetan. */
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private boolean isDefinitelyTibetan_withStackKey;
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/**
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* True iff it is definitely the case that the user is typing Sanskrit
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* (for example a Sanskrit stack), rather than Tibetan
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*/
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private boolean isDefinitelySanskrit;
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/**
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* According to the active keyboard, the value {@link
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* #isDefinitelySanskrit} should be assigned by default when the
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* keyboard is initialized by {@link #initKeyboard() initKeyboard}
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*/
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private boolean isDefinitelySanskrit_default;
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/**
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* According to the active keyboard, the value that should
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* be assigned to {@link #isDefinitelySanskrit} if the
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* user has initiated a stack by typing a stack key.
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* For example, in the Wylie keyboard, there is a Sanskrit
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* stacking key ('+'), but no Tibetan stacking key.
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* Therefore, if the user is stacking with '+', this field
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* should be true, since what the user is typing must
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* be Sanskrit, not Tibetan.
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*/
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private boolean isDefinitelySanskrit_withStackKey;
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/**
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* True iff consonant stacking is allowed at the moment. In the Wylie
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* keyboard, consonant stacking is usually on, since stacking
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* is automatic. However, in the TCC and Sambhota keyboards,
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* stacking is off by default, since you can only stack when
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* you've pressed a stacking key.
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*/
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private boolean isStackingOn;
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/**
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* True iff, according to the active keyboard, stacking is on by
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* default assuming no stack key has been pressed.
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*/
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private boolean isStackingOn_default;
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/**
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* Automatic stacking in Wylie is from right to left. For
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* example, if the user types 'brg', the resulting glyph
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* sequence is 'b' plus 'rg', not 'br' plus 'g'. If
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* stacking results from the use of a stack key,
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* it is from left to right.
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*/
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private boolean isStackingRightToLeft;
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/**
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* used for tracking changes in Wylie to TMW conversion
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*/
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private int lastStart;
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/**
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* true iff the user is in Tibetan typing mode. This is true
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* by default.
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*/
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private boolean isTibetan = true;
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/**
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* true iff the user is allowed to type non-Tibetan. This is true
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* by default
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*/
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private boolean isRomanEnabled = true;
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/**
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* The caret of {@link #doc}, used to keep track of the
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* current entry/edit/deletion position.
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*/
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private Caret caret;
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private Style rootStyle;
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private boolean skipUpdate = false;
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private boolean isCutAndPasteEnabled = true;
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private String romanFontFamily;
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private int romanFontSize;
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private MutableAttributeSet romanAttributeSet;
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private Clipboard rtfBoard;
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private Hashtable actions;
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/** Initializes this object. All constructors should call
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this. */
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private void initialize(StatusBar sb,
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TibetanKeyboard keyboard,
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java.net.URL keyboardURL)
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{
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if (null != keyboard)
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TibetanMachineWeb.setKeyboard(keyboard);
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if (null != keyboardURL)
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TibetanMachineWeb.setKeyboard(keyboardURL);
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setupKeyboard();
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setupEditor();
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if (null != sb)
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setStatusBar(sb);
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// this(new StyledEditorKit(), keyboardURL);
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}
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/** Creates a new DuffPane that updates sb, if sb is not null,
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with messages about how the users' keypresses are being
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interpreted. */
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public DuffPane(StatusBar sb) {
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super();
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initialize(sb, null, null);
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}
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public DuffPane() {
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super();
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initialize(null, null, null);
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}
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public DuffPane(TibetanKeyboard keyboard) {
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super();
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initialize(null, keyboard, null);
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}
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public DuffPane(java.net.URL keyboardURL) {
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super();
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initialize(null, null, keyboardURL);
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}
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/** For testing purposes, it's useful to create a DuffPane and not
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* hook it up to the UI. If this is true, this DuffPane will
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* manage its document's caret rather than having the UI do
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* it. */
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private boolean manageCaret = false;
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/** For testing purposes, it's useful to create a DuffPane and not
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* hook it up to the UI. If you call htis, then this DuffPane
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* will manage its document's caret rather than having the UI do
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* it. */
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void enableCaretManaging() {
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manageCaret = true;
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}
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/** Sets the status bar to update with mode information. If sb is
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null, no status bar will be updated. */
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public void setStatusBar(StatusBar sb) {
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statBar = sb;
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}
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/** If we have a status bar, update it. */
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protected void updateStatus(String newStatus) {
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if (statBar != null) {
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/* If we've seen this message just before, append " x2" to
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the end of it. The third message will cause a toggle,
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which you can tell is different, so that's fine. */
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if (newStatus.equals(statBar.currentStatus())) {
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newStatus = newStatus + " x2";
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}
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statBar.replaceStatus((isTopHypothesis ? "Guess: " : "Fact: ")
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+ "[holding \"" + holdCurrent.toString() + "\"] "
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+ newStatus);
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}
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}
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/** If we have a status bar, append msg to its current status. */
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protected void appendStatus(String msg) {
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if (statBar != null) {
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statBar.replaceStatus(statBar.currentStatus() + msg);
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}
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}
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private static int defaultTibFontSize() {
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// FIXME: at program exit, or when the user selects "Save
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// preferences", or somehow, save the value the users chooses:
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return ThdlOptions.getIntegerOption("thdl.default.tibetan.font.size",
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36);
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}
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private static int defaultRomanFontSize() {
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// FIXME: at program exit, or when the user selects "Save
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// preferences", or somehow, save the value the users chooses:
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return ThdlOptions.getIntegerOption("thdl.default.roman.font.size",
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14);
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}
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/**
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* This method sets up the editor, assigns fonts and point sizes,
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* sets the document, the caret, and adds key and focus listeners.
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*/
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private void setupEditor() {
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rtfBoard = getToolkit().getSystemClipboard();
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newDocument();
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romanFontFamily = ThdlOptions.getStringOption("thdl.default.roman.font.face",
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"Serif");
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romanFontSize = defaultRomanFontSize();
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setRomanAttributeSet(romanFontFamily, romanFontSize);
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caret = getCaret();
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addFocusListener(this);
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addKeyListener(new KeyAdapter() {
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public void keyPressed(KeyEvent kev) {
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if (kev.isActionKey() || kev.getKeyCode() == KeyEvent.VK_BACK_SPACE)
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initKeyboard();
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}
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});
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setupKeymap();
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}
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/** Performs the keystroke key with selected ActionEvent-style
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* modifiers modifiers. */
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void performKeyStroke(int modifiers, String key) {
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// FIXME: do this assertion: assert(key.length() == 1);
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if (!isEditable()) return;
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if (((modifiers & ActionEvent.CTRL_MASK) == ActionEvent.CTRL_MASK) ||
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((modifiers & ActionEvent.ALT_MASK) == ActionEvent.ALT_MASK) ||
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((modifiers & ActionEvent.META_MASK) == ActionEvent.META_MASK)) {
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initKeyboard();
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return;
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}
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if (key != null) {
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if (getSelectionStart() < getSelectionEnd())
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replaceSelection("");
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if (isTibetan) {
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processTibetanChar(key.charAt(0));
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} else {
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processRomanChar(key, romanAttributeSet);
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}
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if (manageCaret) {
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caret.setDot(getTibDoc().getLength());
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}
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}
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}
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/**
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* This method sets up the keymap used by DuffPane editors.
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* The keymap defines a default behavior for key presses
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* in both Tibetan and Roman mode.
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*/
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private void setupKeymap() {
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Action defaultAction = new AbstractAction() {
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public void actionPerformed(ActionEvent e) {
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DuffPane.this.performKeyStroke(e.getModifiers(),
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e.getActionCommand());
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}
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};
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createActionTable(this);
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Keymap keymap = addKeymap("DuffBindings", getKeymap());
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keymap.setDefaultAction(defaultAction);
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setKeymap(keymap);
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}
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private void createActionTable(JTextComponent textComponent) {
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actions = new Hashtable();
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Action[] actionsArray = textComponent.getActions();
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for (int i = 0; i < actionsArray.length; i++) {
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Action a = actionsArray[i];
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actions.put(a.getValue(Action.NAME), a);
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}
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}
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private Action getActionByName(String name) {
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return (Action)(actions.get(name));
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}
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/**
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* This method sets up the Tibetan keyboard. Initially it is called
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* by the constructor, but it is also called internally whenever
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* the active keyboard is changed. It first sets various values with
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* respect to stacking, and concerning the differences between
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* Tibetan and Sanskrit; and then it initializes the input method.
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*/
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private void setupKeyboard() {
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if (TibetanMachineWeb.hasTibetanStackingKey()) {
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if (TibetanMachineWeb.hasSanskritStackingKey()) {
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isDefinitelyTibetan_default = false;
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isDefinitelySanskrit_default = false;
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isStackingOn_default = false;
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isDefinitelyTibetan_withStackKey = false;
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isDefinitelySanskrit_withStackKey = false;
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} else {
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isDefinitelyTibetan_default = false;
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isDefinitelySanskrit_default = false; // DLC FIXME: trying to make ACIP keyboard happy.
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isStackingOn_default = true;
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isDefinitelyTibetan_withStackKey = false; // DLC FIXME: trying to make ACIP keyboard happy.
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isDefinitelySanskrit_withStackKey = false;
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}
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} else {
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if (TibetanMachineWeb.hasSanskritStackingKey()) {
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isDefinitelyTibetan_default = true;
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isDefinitelySanskrit_default = false;
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isStackingOn_default = true;
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isDefinitelyTibetan_withStackKey = false;
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isDefinitelySanskrit_withStackKey = true;
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} else { //no stacking key at all
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isDefinitelyTibetan_default = false;
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isDefinitelySanskrit_default = false;
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isStackingOn_default = true;
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}
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}
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charList = new ArrayList();
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oldGlyphList = new ArrayList();
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newGlyphList = new ArrayList();
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initKeyboard();
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}
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/**
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* Registers the Extended Wylie keyboard, and sets it as
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* the active keyboard.
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* Unpredictable behavior will result
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* if you set the keyboard in {@link org.thdl.tib.text.TibetanMachineWeb TibetanMachineWeb}
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* but don't register it here.
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*/
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public void registerKeyboard() {
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registerKeyboard((TibetanKeyboard)null);
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}
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/**
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* Registers a keyboard, and sets it as the active keyboard.
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* Unpredictable behavior will result if you set the keyboard in {@link
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* org.thdl.tib.text.TibetanMachineWeb TibetanMachineWeb} but don't
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* register it in here.
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* @param keyboardURL the URL of the keyboard you want to install */
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public void registerKeyboard(java.net.URL keyboardURL) {
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TibetanMachineWeb.setKeyboard(keyboardURL);
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setupKeyboard();
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}
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/**
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* Registers a keyboard, and sets it as
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* the active keyboard.
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* Unpredictable behavior will result
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* if you set the keyboard in {@link org.thdl.tib.text.TibetanMachineWeb TibetanMachineWeb}
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* but don't register it in here.
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* @param keyboard the keyboard you want to install
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*/
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public void registerKeyboard(TibetanKeyboard keyboard) {
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TibetanMachineWeb.setKeyboard(keyboard);
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setupKeyboard();
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}
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/**
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* Clears the current document.
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*/
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public void newDocument() {
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StyleContext styleContext = new StyleContext();
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doc = new TibetanDocument(styleContext);
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doc.setTibetanFontSize(defaultTibFontSize());
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// Something about the order in which you do this step
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// relative to the others in this method matters. You'll get
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// a small cursor, though most everything else will be normal,
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// if you call setDocument(doc) at the end of this method.
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setDocument(doc);
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ThdlDebug.verify(getTibDoc() == doc);
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Style defaultStyle = styleContext.getStyle(StyleContext.DEFAULT_STYLE);
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StyleConstants.setFontFamily(defaultStyle, "TibetanMachineWeb");
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StyleConstants.setFontSize(defaultStyle, defaultTibFontSize());
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newGlyphList.clear();
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initKeyboard();
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}
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/**
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* Initializes the keyboard input interpreter, setting all properties
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* back to their default states. This method is called whenever an action
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* or function key is pressed, and also whenever the user types punctuation
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* or a vowel. It is not called when the user is typing characters that
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* could be part of a stack, or require manipulation of glyphs - e.g.
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* backspacing, redrawing, etc.
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*/
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private void initKeyboard() {
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charList.clear();
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oldGlyphList.clear();
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holdCurrent = new StringBuffer();
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updateStatus("Jskad is in its basic input mode");
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isTopHypothesis = false;
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isTypingVowel = false;
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|
//for keyboard
|
|
isStackingOn = isStackingOn_default;
|
|
isStackingRightToLeft = true;
|
|
isDefinitelyTibetan = isDefinitelyTibetan_default;
|
|
isDefinitelySanskrit = isDefinitelySanskrit_default;
|
|
}
|
|
|
|
/**
|
|
* Enables typing of Roman (non-Tibetan) text along
|
|
* with Tibetan.
|
|
*/
|
|
public void enableRoman() {
|
|
isRomanEnabled = true;
|
|
}
|
|
|
|
/**
|
|
* Disables typing of Roman (non-Tibetan) text.
|
|
*/
|
|
public void disableRoman() {
|
|
isRomanEnabled = false;
|
|
}
|
|
|
|
/**
|
|
* Checks to see if Roman input is enabled.
|
|
* @return true if so, false if not
|
|
*/
|
|
public boolean isRomanEnabled() {
|
|
return isRomanEnabled;
|
|
}
|
|
|
|
/**
|
|
* Checks to see if currently in Roman input mode.
|
|
* @return true if so, false if not
|
|
*/
|
|
public boolean isRomanMode() {
|
|
return !isTibetan;
|
|
}
|
|
|
|
/**
|
|
* Toggles between Tibetan and Roman input modes.
|
|
* Does nothing if Roman input is disabled.
|
|
* @see #enableRoman()
|
|
* @see #disableRoman()
|
|
*/
|
|
public void toggleLanguage() {
|
|
if (isTibetan && isRomanEnabled)
|
|
isTibetan = false;
|
|
else
|
|
isTibetan = true;
|
|
}
|
|
|
|
/**
|
|
* Inserts Roman text into this object's document,
|
|
* at the position of the caret.
|
|
* @param attr the attributes for the text to insert
|
|
* @param s the string of text to insert
|
|
*/
|
|
public void append(String s, MutableAttributeSet attr) {
|
|
append(caret.getDot(), s, attr);
|
|
}
|
|
|
|
/**
|
|
* Inserts Roman text into this object's document.
|
|
* @param offset the position at which to insert text
|
|
* @param attr the attributes for the text to insert
|
|
* @param s the string of text to insert
|
|
*/
|
|
public void append(int offset, String s, MutableAttributeSet attr) {
|
|
try {
|
|
getTibDoc().insertString(offset, s, attr);
|
|
}
|
|
catch (BadLocationException ble) {
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Changes the default font size for Tibetan text entry mode.
|
|
*
|
|
* @param size a point size
|
|
*/
|
|
public void setTibetanFontSize(int size) {
|
|
if (size > 0)
|
|
getTibDoc().setTibetanFontSize(size);
|
|
}
|
|
|
|
/**
|
|
* Like {@link #setTibetanFontSize(int)}, but should be called only
|
|
* when the user has somewhat explicitly chosen the font size.
|
|
* This will set the font size but also record this as a user
|
|
* preference. Then you can choose to save the user preferences
|
|
* via {@link org.thdl.util.ThdlOptions#saveUserPreferences()}.
|
|
*
|
|
* @param size a point size
|
|
*/
|
|
public void setByUserTibetanFontSize(int size) {
|
|
ThdlOptions.setUserPreference("thdl.default.tibetan.font.size", size);
|
|
setTibetanFontSize(size);
|
|
}
|
|
|
|
/**
|
|
* Gets the current point size for Tibetan text.
|
|
* @return the current default font size for Tibetan
|
|
* text entry mode
|
|
*/
|
|
public int getTibetanFontSize() {
|
|
return getTibDoc().getTibetanFontSize();
|
|
}
|
|
|
|
/**
|
|
* Overrides JTextComponent.setFont(). This method
|
|
* calls setRomanAttributeSet(), otherwise DuffPane
|
|
* would ignore calls to setFont().
|
|
*/
|
|
public void setFont(Font font) {
|
|
setRomanAttributeSet(font.getName(), font.getSize());
|
|
}
|
|
|
|
/**
|
|
* Changes the default font and font size for
|
|
* non-Tibetan (Roman) text entry mode.
|
|
*
|
|
* @param font a font name
|
|
* @param size a point size
|
|
*/
|
|
public void setRomanAttributeSet(String font, int size) {
|
|
romanAttributeSet = new SimpleAttributeSet();
|
|
StyleConstants.setFontFamily(romanAttributeSet, font);
|
|
StyleConstants.setFontSize(romanAttributeSet, size);
|
|
}
|
|
|
|
/** Like {@link #setRomanAttributeSet}, but allows for noting the
|
|
* (explicit or implicit) choice in the user's preferences
|
|
* file. */
|
|
public void setByUserRomanAttributeSet(String font, int size) {
|
|
ThdlOptions.setUserPreference("thdl.default.roman.font.face", font);
|
|
ThdlOptions.setUserPreference("thdl.default.roman.font.size", size);
|
|
setRomanAttributeSet(font, size);
|
|
}
|
|
|
|
/**
|
|
* Gets the current point size for non-Tibetan text.
|
|
* @return the current default font size for non-Tibetan
|
|
* (Roman) text entry mode
|
|
*/
|
|
public int getRomanFontSize() {
|
|
return romanFontSize;
|
|
}
|
|
|
|
/**
|
|
* Gets the current font used for non-Tibetan text.
|
|
* @return the current default font for non-Tibetan
|
|
* (Roman) text entry mode
|
|
*/
|
|
public String getRomanFontFamily() {
|
|
return romanFontFamily;
|
|
}
|
|
|
|
/**
|
|
* Backspace and remove k elements from the current caret position.
|
|
*
|
|
* @param k the number of glyphs to remove by backspace
|
|
*/
|
|
private void backSpace(int k) {
|
|
try {
|
|
int newEnd = caret.getDot()-k;
|
|
if (newEnd >= 0) {
|
|
getTibDoc().remove(newEnd, k);
|
|
if (manageCaret) caret.setDot(newEnd);
|
|
}
|
|
} catch (BadLocationException ble) {
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Takes an old glyph list, which should be the currently visible set
|
|
* of glyphs preceding the cursor, and then tries to redraw the glyphs
|
|
* in light of the newly acquired keyboard input (which led to a
|
|
* revised 'new' glyph list). For example, the old glyph list might
|
|
* contain 'l' and 'n', because the user had typed 'ln' in Extended
|
|
* Wylie mode. This is what you'd see on the screen. But assume that
|
|
* the new glyph list contains the stacked glyph 'l-ng', because the
|
|
* user has just finished typing 'lng'. This method compares the
|
|
* glyphs, then figures out whether or not backspacing is necessary,
|
|
* and draws whatever characters need to be drawn.
|
|
*
|
|
* <p> For example, suppose that oldGlyphList contains the two glyphs
|
|
* 'l' and 'n', and newGlyphList contains a single glyph, 'lng'. In
|
|
* this case, redrawGlyphs will be instructed to backspace over both
|
|
* 'l' and 'n', and then insert 'lng'. */
|
|
private java.util.List redrawGlyphs(java.util.List oldGlyphList, java.util.List newGlyphList) {
|
|
if (newGlyphList.isEmpty())
|
|
return newGlyphList;
|
|
|
|
Iterator newIter = newGlyphList.iterator();
|
|
DuffCode newDc = (DuffCode)newIter.next();
|
|
|
|
int oldGlyphCount = oldGlyphList.size();
|
|
int newGlyphCount = newGlyphList.size();
|
|
int beginDifference = -1; //at what point does the new glyph list begin to differ from the old one?
|
|
int k=0;
|
|
|
|
if (oldGlyphCount!=0) {
|
|
int smallerGlyphCount;
|
|
DuffCode oldDc;
|
|
|
|
if (oldGlyphCount < newGlyphCount)
|
|
smallerGlyphCount = oldGlyphCount;
|
|
else
|
|
smallerGlyphCount = newGlyphCount;
|
|
|
|
Iterator oldIter = oldGlyphList.iterator();
|
|
|
|
for (; k<smallerGlyphCount; k++) {
|
|
oldDc = (DuffCode)oldIter.next();
|
|
|
|
if (!oldDc.equals(newDc)) {
|
|
beginDifference = k;
|
|
break;
|
|
}
|
|
if (newIter.hasNext())
|
|
newDc = (DuffCode)newIter.next();
|
|
}
|
|
|
|
if (beginDifference == -1)
|
|
beginDifference = smallerGlyphCount;
|
|
|
|
if (beginDifference == newGlyphCount) {
|
|
if (oldGlyphCount > newGlyphCount)
|
|
backSpace(oldGlyphCount-newGlyphCount); //deals with 'pd+m' problem
|
|
|
|
return newGlyphList; //there is no difference between new and old glyph lists
|
|
}
|
|
}
|
|
|
|
if (beginDifference != -1)
|
|
backSpace(oldGlyphCount - beginDifference);
|
|
|
|
java.util.List sublist = newGlyphList.subList(k, newGlyphCount);
|
|
DuffData[] dd = TibTextUtils.convertGlyphs(sublist);
|
|
getTibDoc().insertDuff(caret.getDot(), dd);
|
|
return newGlyphList;
|
|
}
|
|
|
|
/**
|
|
* Tries to insert the vowel v at the position of the caret.
|
|
* This method must deal with various issues, such as: can the preceding
|
|
* glyph take a vowel? If not, then what? If the preceding glyph can be
|
|
* followed by a vowel, then the method has to figure out what vowel
|
|
* glyph to affix, which may depend on the immediately preceding glyph,
|
|
* but may depend on other factors as well. For example, when affixing
|
|
* gigu to the consonantal stack "k'" (ie k plus achung), the value of
|
|
* the gigu will depend on "k", not "'".
|
|
*
|
|
* @param v the vowel (in Wylie) you want to insert
|
|
*/
|
|
private void putVowel(String v) {
|
|
if (caret.getDot()==0) {
|
|
if (!TibetanMachineWeb.isAChenRequiredBeforeVowel())
|
|
printAChenWithVowel(v);
|
|
|
|
return;
|
|
}
|
|
|
|
AttributeSet attr = getTibDoc().getCharacterElement(caret.getDot()-1).getAttributes();
|
|
String fontName = StyleConstants.getFontFamily(attr);
|
|
int fontNum;
|
|
|
|
if (0 != (fontNum = TibetanMachineWeb.getTMWFontNumber(fontName))) {
|
|
try {
|
|
char c2 = getTibDoc().getText(caret.getDot()-1, 1).charAt(0);
|
|
int k = (int)c2;
|
|
if (k<32 || k>126) { //if previous character is formatting or some other non-character
|
|
if (!TibetanMachineWeb.isAChenRequiredBeforeVowel())
|
|
printAChenWithVowel(v);
|
|
|
|
return;
|
|
}
|
|
|
|
String wylie = TibetanMachineWeb.getWylieForGlyph(fontNum, k);
|
|
if (TibetanMachineWeb.isWyliePunc(wylie)) {
|
|
if (charList.isEmpty() && !TibetanMachineWeb.isAChenRequiredBeforeVowel()) {
|
|
printAChenWithVowel(v);
|
|
return;
|
|
}
|
|
}
|
|
|
|
DuffCode dc_1 = null;
|
|
DuffCode dc_2 = new DuffCode(fontNum, c2);
|
|
|
|
if (caret.getDot() >= 2) {
|
|
attr = getTibDoc().getCharacterElement(caret.getDot()-2).getAttributes();
|
|
fontName = StyleConstants.getFontFamily(attr);
|
|
if (0 != (fontNum = TibetanMachineWeb.getTMWFontNumber(fontName))) {
|
|
c2 = getTibDoc().getText(caret.getDot()-2, 1).charAt(0);
|
|
dc_1 = new DuffCode(fontNum, c2);
|
|
}
|
|
}
|
|
|
|
java.util.List before_vowel = new ArrayList();
|
|
if (null != dc_1)
|
|
before_vowel.add(dc_1);
|
|
|
|
before_vowel.add(dc_2);
|
|
java.util.List after_vowel = TibTextUtils.getVowel(dc_1, dc_2, v);
|
|
if (after_vowel.size() >= before_vowel.size()) {
|
|
setNumberOfGlyphsForLastVowel(after_vowel.size()
|
|
- before_vowel.size());
|
|
} else {
|
|
setNumberOfGlyphsForLastVowel(0);
|
|
ThdlDebug.noteIffyCode(); // I don't think this can ever happen, but...
|
|
}
|
|
redrawGlyphs(before_vowel, after_vowel);
|
|
}
|
|
catch(BadLocationException ble) {
|
|
System.out.println("no--can't insert here");
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
else { //0 font means not Tibetan font, so begin new Tibetan font section
|
|
if (!TibetanMachineWeb.isAChenRequiredBeforeVowel())
|
|
printAChenWithVowel(v);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* If the character last displayed was a vowel, this is how many glyphs
|
|
* the vowel was composed of. (Some vowels, such as Wylie 'I', consist
|
|
* of two glyphs.) We use the getter and setter for this variable and
|
|
* never the variable itself. */
|
|
private int numberOfGlyphsForLastVowel;
|
|
private int getNumberOfGlyphsForLastVowel() {
|
|
return numberOfGlyphsForLastVowel;
|
|
}
|
|
private void setNumberOfGlyphsForLastVowel(int x) {
|
|
numberOfGlyphsForLastVowel = x;
|
|
}
|
|
|
|
/**
|
|
* Prints ACHEN together with the vowel v. When using the Wylie
|
|
* keyboard, or any other keyboard in which {@link org.thdl.tib.text.TibetanMachineWeb#isAChenRequiredBeforeVowel() isAChenRequiredBeforeVowel()}
|
|
* is false, this method is called frequently.
|
|
*
|
|
* @param v the vowel (in Wylie) which you want to print with ACHEN
|
|
*/
|
|
private void printAChenWithVowel(String v) {
|
|
DuffCode[] dc_array = (DuffCode[])TibetanMachineWeb.getTibHash().get(TibetanMachineWeb.ACHEN);
|
|
DuffCode dc = dc_array[TibetanMachineWeb.TMW];
|
|
java.util.List achenlist = TibTextUtils.getVowel(dc,v);
|
|
DuffData[] dd = TibTextUtils.convertGlyphs(achenlist);
|
|
getTibDoc().insertDuff(caret.getDot(), dd);
|
|
}
|
|
|
|
/**
|
|
* Puts a bindu/anusvara at the current caret position.
|
|
* In the TibetanMachineWeb font, top vowels (like gigu,
|
|
* drengbu, etc.) are merged together with bindu in a
|
|
* single glyph. This method deals with the problem of
|
|
* correctly displaying a bindu given this complication.
|
|
*/
|
|
private void putBindu() {
|
|
special_bindu_block: {
|
|
if (caret.getDot()==0)
|
|
break special_bindu_block;
|
|
|
|
AttributeSet attr = getTibDoc().getCharacterElement(caret.getDot()-1).getAttributes();
|
|
String fontName = StyleConstants.getFontFamily(attr);
|
|
int fontNum;
|
|
|
|
if (0 == (fontNum = TibetanMachineWeb.getTMWFontNumber(fontName)))
|
|
break special_bindu_block;
|
|
|
|
try {
|
|
char c2 = getTibDoc().getText(caret.getDot()-1, 1).charAt(0);
|
|
int k = (int)c2;
|
|
if (k<32 || k>126) //if previous character is formatting or some other non-character
|
|
break special_bindu_block;
|
|
|
|
String wylie = TibetanMachineWeb.getWylieForGlyph(fontNum, k);
|
|
if (!TibetanMachineWeb.isWylieVowel(wylie))
|
|
break special_bindu_block;
|
|
|
|
DuffCode dc = new DuffCode(fontNum, c2);
|
|
java.util.List beforecaret = new ArrayList();
|
|
beforecaret.add(dc);
|
|
java.util.List bindulist = TibTextUtils.getBindu(dc);
|
|
redrawGlyphs(beforecaret, bindulist);
|
|
initKeyboard();
|
|
return;
|
|
}
|
|
catch(BadLocationException ble) {
|
|
System.out.println("no--can't do this bindu maneuver");
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
|
|
DuffData[] dd = TibTextUtils.convertGlyphs(TibTextUtils.getBindu(null));
|
|
getTibDoc().insertDuff(caret.getDot(), dd);
|
|
initKeyboard();
|
|
}
|
|
|
|
/**
|
|
* Required by implementations of the
|
|
* {@link java.awt.event.FocusListener FocusListener} interface,
|
|
* this method simply initializes the keyboard whenever this
|
|
* object gains focus.
|
|
*
|
|
* @param e a FocusEvent
|
|
*/
|
|
public void focusGained(FocusEvent e) {
|
|
}
|
|
|
|
/**
|
|
* Required by implementations of the
|
|
* {@link java.awt.event.FocusListener FocusListener} interface,
|
|
* this method resets the keyboard.
|
|
*
|
|
* @param e a FocusEvent
|
|
*/
|
|
public void focusLost(FocusEvent e) {
|
|
initKeyboard();
|
|
setNumberOfGlyphsForLastVowel(0);
|
|
appendStatus(" (because the window focus was lost)");
|
|
}
|
|
|
|
/** Copies the current selection to the system clipboard, unless
|
|
cut-and-paste operations are disabled. */
|
|
public void copy() {
|
|
copy(getSelectionStart(), getSelectionEnd(), false);
|
|
}
|
|
|
|
/** If this.isEditable(), then this copies the current selection
|
|
to the system clipboard and then deletes it. */
|
|
public void cut() {
|
|
copy(getSelectionStart(), getSelectionEnd(), true);
|
|
}
|
|
|
|
/** If this.isEditable(), then this deletes the current selection. */
|
|
public void deleteCurrentSelection()
|
|
{
|
|
int start=getSelectionStart(), end=getSelectionEnd();
|
|
|
|
if (!this.isEditable())
|
|
return;
|
|
try {
|
|
ThdlDebug.verify(getDocument() == getTibDoc());
|
|
getDocument().remove(start, end-start);
|
|
} catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Cuts or copies the specified portion of this object's document
|
|
* to the system clipboard. What is cut/copied is Wylie text -
|
|
* so, if you cut/copy a region of TibetanMachineWeb, it first converts
|
|
* it to Wylie before putting it on the clipboard. If the user
|
|
* tries to cut/copy non-TibetanMachineWeb, only the text preceding the
|
|
* first non-TibetanMachineWeb character is cut/copied.
|
|
* @param start the begin offset of the copy
|
|
* @param end the end offset of the copy
|
|
* @param remove this should be true if the operation is 'cut',
|
|
* false if it is 'copy'
|
|
*/
|
|
private void copy(int start, int end, boolean remove) {
|
|
updateStatus("Copied to clipboard");
|
|
int p1 = start;
|
|
int p2 = end;
|
|
if (p1 != p2) {
|
|
ThdlDebug.verify(getDocument() == getTibDoc());
|
|
RTFSelection rtfSelection = new RTFSelection((StyledDocument)getDocument(), p1, p2-p1);
|
|
try {
|
|
rtfBoard.setContents(rtfSelection, rtfSelection);
|
|
} catch (IllegalStateException ise) {
|
|
ise.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
if (remove) {
|
|
// Respect setEditable(boolean):
|
|
if (!this.isEditable())
|
|
return;
|
|
|
|
try {
|
|
ThdlDebug.verify(getDocument() == getTibDoc());
|
|
getDocument().remove(p1, p2-p1);
|
|
} catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
}
|
|
|
|
public void paste() {
|
|
/* added by AM. If we are pasting over selected text, such text
|
|
such be substituted by the text to be pasted. */
|
|
deleteCurrentSelection();
|
|
paste(getSelectionStart());
|
|
}
|
|
|
|
/**
|
|
* Pastes the contents of the system clipboard into this object's
|
|
* document, at the specified position. The only kind of
|
|
* text accepted from the clipboard is Wylie text.
|
|
* This Wylie is converted and pasted into the document as
|
|
* TibetanMachineWeb. If the text to paste is invalid Wylie,
|
|
* then it will not be pasted, and instead an error message will
|
|
* appear.
|
|
* @param offset the position in the document you want to paste to
|
|
*/
|
|
public void paste(int offset) {
|
|
// Respect setEditable(boolean):
|
|
if (!this.isEditable())
|
|
return;
|
|
|
|
try {
|
|
Transferable contents = rtfBoard.getContents(this);
|
|
|
|
/*
|
|
if (!isRomanEnabled) {
|
|
if (contents.isDataFlavorSupported(DataFlavor.stringFlavor)) {
|
|
String data = (String)contents.getTransferData(DataFlavor.stringFlavor);
|
|
toTibetanMachineWeb(data, offset);
|
|
}
|
|
} else if (contents.isDataFlavorSupported(rtfFlavor)) {
|
|
*/
|
|
|
|
if (contents.isDataFlavorSupported(rtfFlavor)){
|
|
|
|
InputStream in = (InputStream)contents.getTransferData(rtfFlavor);
|
|
int p1 = offset;
|
|
|
|
//construct new document that contains only portion of text you want to paste
|
|
StyledDocument sd = new DefaultStyledDocument();
|
|
|
|
// I swear this happened once when I pasted in some
|
|
// random junk just after Jskad started up.
|
|
ThdlDebug.verify(null != in);
|
|
|
|
boolean errorReading = false;
|
|
|
|
try {
|
|
if (!ThdlOptions.getBooleanOption("thdl.do.not.fix.rtf.hex.escapes"))
|
|
in = new RTFFixerInputStream(in);
|
|
rtfEd.read(in, sd, 0);
|
|
} catch (Exception e) {
|
|
errorReading = true;
|
|
JOptionPane.showMessageDialog(this,
|
|
"You cannot paste from the application from which you copied.\nIt uses an RTF format that is too advanced for the version\nof Java Jskad is running atop.");
|
|
}
|
|
|
|
if (!errorReading) {
|
|
/** Added by AM, to fix copy-paste issues for
|
|
Translation Tool. Assumes that if roman is
|
|
disabled and you are pasting something in RTF but
|
|
it is not TibetanMachineWeb then it must be wylie. */
|
|
if (!sd.getFont((sd.getCharacterElement(0).getAttributes())).getFamily().startsWith("TibetanMachineWeb")
|
|
&& !isRomanEnabled
|
|
&& contents.isDataFlavorSupported(DataFlavor.stringFlavor))
|
|
{
|
|
String data = (String)contents.getTransferData(DataFlavor.stringFlavor);
|
|
toTibetanMachineWeb(data, offset);
|
|
}
|
|
else
|
|
{
|
|
for (int i=0; i<sd.getLength()-1; i++) { //getLength()-1 so that final newline is not included in paste
|
|
try {
|
|
String s = sd.getText(i,1);
|
|
AttributeSet as
|
|
= sd.getCharacterElement(i).getAttributes();
|
|
getTibDoc().insertString(p1+i, s, as);
|
|
} catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (contents.isDataFlavorSupported(DataFlavor.stringFlavor))
|
|
{
|
|
if (!isRomanEnabled) {
|
|
String data = (String)contents.getTransferData(DataFlavor.stringFlavor);
|
|
toTibetanMachineWeb(data, offset);
|
|
}
|
|
else
|
|
{
|
|
String s = (String)contents.getTransferData(DataFlavor.stringFlavor);
|
|
replaceSelection(s);
|
|
}
|
|
}
|
|
} catch (UnsupportedFlavorException ufe) {
|
|
ufe.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
} catch (IOException ioe) {
|
|
ioe.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
} catch (IllegalStateException ise) {
|
|
ise.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Enables cutting and pasting of Tibetan text.
|
|
*/
|
|
public void enableCutAndPaste() {
|
|
isCutAndPasteEnabled = true;
|
|
}
|
|
|
|
/** Returns true iff cut-and-paste operations are enabled. */
|
|
public boolean isCutAndPasteOn() {
|
|
return isCutAndPasteEnabled;
|
|
}
|
|
|
|
/**
|
|
* Disables cutting and pasting of Tibetan text.
|
|
* Cut and paste must be disabled if Jskad's
|
|
* parent is an applet, because it violates the
|
|
* Java security sandbox to cut and paste from an
|
|
* applet to the system clipboard.
|
|
*/
|
|
public void disableCutAndPaste() {
|
|
isCutAndPasteEnabled = false;
|
|
}
|
|
|
|
private void processRomanChar(String key, MutableAttributeSet attSet) {
|
|
switch (key.charAt(0)) {
|
|
case KeyEvent.VK_TAB:
|
|
case KeyEvent.VK_ENTER:
|
|
case KeyEvent.VK_ESCAPE:
|
|
case KeyEvent.VK_DELETE:
|
|
case KeyEvent.VK_BACK_SPACE:
|
|
break;
|
|
default:
|
|
append(key, attSet);
|
|
}
|
|
}
|
|
|
|
/** Utility method called by DuffPane's Keymap as the
|
|
default behavior when the user is in Tibetan typing mode.
|
|
@param c the character the user entered in whatever keyboard
|
|
is in use
|
|
*/
|
|
private void processTibetanChar(char c) {
|
|
|
|
// Have we modified the status bar?
|
|
boolean changedStatus = false;
|
|
|
|
key_block:
|
|
{
|
|
|
|
if (TibetanMachineWeb.hasDisambiguatingKey())
|
|
if (c == TibetanMachineWeb.getDisambiguatingKey()) {
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because you pressed the disambiguating key)");
|
|
break key_block;
|
|
};
|
|
|
|
if (TibetanMachineWeb.hasSanskritStackingKey() || TibetanMachineWeb.hasTibetanStackingKey()) {
|
|
if (c == TibetanMachineWeb.getStackingKey()) {
|
|
if (TibetanMachineWeb.isStackingMedial()) {
|
|
int size = charList.size();
|
|
|
|
if (size == 0) {
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because you pressed the stacking key with nothing to stack on)");
|
|
} else if (size > 1 && isStackingRightToLeft) {
|
|
String s = (String)charList.remove(charList.size() - 1);
|
|
newGlyphList = TibTextUtils.getGlyphs(charList, isStackingRightToLeft, isDefinitelyTibetan, isDefinitelySanskrit);
|
|
oldGlyphList = redrawGlyphs(oldGlyphList, newGlyphList);
|
|
initKeyboard();
|
|
charList.add(s);
|
|
newGlyphList = TibTextUtils.getGlyphs(charList, isStackingRightToLeft, isDefinitelyTibetan, isDefinitelySanskrit);
|
|
oldGlyphList = redrawGlyphs(oldGlyphList, newGlyphList);
|
|
holdCurrent = new StringBuffer();
|
|
isTopHypothesis = false;
|
|
isStackingOn = true;
|
|
isStackingRightToLeft = false;
|
|
isDefinitelyTibetan = isDefinitelyTibetan_withStackKey;
|
|
isDefinitelySanskrit = isDefinitelySanskrit_withStackKey;
|
|
changedStatus = true;
|
|
updateStatus("You have stacked a letter atop another.");
|
|
} else {
|
|
holdCurrent = new StringBuffer();
|
|
isTopHypothesis = false;
|
|
isStackingOn = true;
|
|
isStackingRightToLeft = false;
|
|
isDefinitelyTibetan = isDefinitelyTibetan_withStackKey;
|
|
isDefinitelySanskrit = isDefinitelySanskrit_withStackKey;
|
|
changedStatus = true;
|
|
updateStatus("Some sort of stack-fu is happening/has happened.");
|
|
}
|
|
break key_block;
|
|
}
|
|
else { //stacking must be pre/post
|
|
if (!isStackingOn || (isStackingOn && isDefinitelyTibetan==isDefinitelyTibetan_default)) {
|
|
initKeyboard();
|
|
isStackingOn = true;
|
|
isStackingRightToLeft = false;
|
|
isDefinitelyTibetan = isDefinitelyTibetan_withStackKey;
|
|
isDefinitelySanskrit = isDefinitelySanskrit_withStackKey;
|
|
changedStatus = true;
|
|
updateStatus("!isStackingOn || (isStackingOn && isDefinitelyTibetan==isDefinitelyTibetan_default)");
|
|
}
|
|
else {try {
|
|
char ch = getTibDoc().getText(caret.getDot()-1, 1).charAt(0);
|
|
AttributeSet attr = getTibDoc().getCharacterElement(caret.getDot()-1).getAttributes();
|
|
String fontName = StyleConstants.getFontFamily(attr);
|
|
int fontNum = TibetanMachineWeb.getTMWFontNumber(fontName);
|
|
|
|
if (0 == fontNum) {
|
|
initKeyboard();
|
|
isStackingOn = true;
|
|
isStackingRightToLeft = false;
|
|
isDefinitelyTibetan = isDefinitelyTibetan_withStackKey;
|
|
isDefinitelySanskrit = isDefinitelySanskrit_withStackKey;
|
|
changedStatus = true;
|
|
appendStatus(" (because 0 == fontNum)");
|
|
} else {
|
|
initKeyboard();
|
|
DuffCode dc = new DuffCode(fontNum, ch);
|
|
|
|
if (!TibetanMachineWeb.isStack(dc) && !TibetanMachineWeb.isSanskritStack(dc)) {
|
|
isStackingOn = true;
|
|
isStackingRightToLeft = false;
|
|
isDefinitelyTibetan = isDefinitelyTibetan_withStackKey;
|
|
isDefinitelySanskrit = isDefinitelySanskrit_withStackKey;
|
|
}
|
|
changedStatus = true;
|
|
appendStatus(" (because 0 != fontNum)");
|
|
}
|
|
}
|
|
catch (BadLocationException ble) {
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because a BadLocationException was thrown)");
|
|
}}
|
|
break key_block;
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (c) {
|
|
case KeyEvent.VK_TAB:
|
|
case KeyEvent.VK_ENTER:
|
|
case KeyEvent.VK_ESCAPE:
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because you typed enter, tab, or escape)");
|
|
break;
|
|
|
|
default:
|
|
String val = String.valueOf(c);
|
|
|
|
if (TibetanMachineWeb.isPunc(val)) { //punctuation
|
|
val = TibetanMachineWeb.getWylieForPunc(val);
|
|
|
|
if (val.charAt(0) == TibetanMachineWeb.BINDU)
|
|
putBindu();
|
|
|
|
else {
|
|
DuffCode puncDc = TibetanMachineWeb.getGlyph(val);
|
|
MutableAttributeSet mas = TibetanMachineWeb.getAttributeSet(puncDc.getFontNum());
|
|
getTibDoc().appendDuff(caret.getDot(), String.valueOf(puncDc.getCharacter()), mas);
|
|
}
|
|
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because you typed punctuation)");
|
|
break key_block;
|
|
}
|
|
|
|
if (charList.size()==0) { //add current character to charList if possible
|
|
holdCurrent.append(c);
|
|
String s = holdCurrent.toString();
|
|
|
|
if (TibetanMachineWeb.isVowel(s)) {
|
|
s = TibetanMachineWeb.getWylieForVowel(s);
|
|
|
|
if (isTypingVowel) {
|
|
//note: this takes care of multiple keystroke vowels like 'ai'
|
|
backSpace(getNumberOfGlyphsForLastVowel());
|
|
}
|
|
|
|
putVowel(s);
|
|
isTypingVowel = true;
|
|
changedStatus = true;
|
|
updateStatus("You typed a vowel (the simple way).");
|
|
} else {
|
|
if (isTypingVowel) {
|
|
isTypingVowel = false;
|
|
s = String.valueOf(c);
|
|
holdCurrent = new StringBuffer(s);
|
|
}
|
|
|
|
if (TibetanMachineWeb.isVowel(s)) {
|
|
s = TibetanMachineWeb.getWylieForVowel(s);
|
|
putVowel(s);
|
|
isTypingVowel = true;
|
|
changedStatus = true;
|
|
updateStatus("You typed a vowel (the other way).");
|
|
} else if (TibetanMachineWeb.isChar(s)) {
|
|
s = TibetanMachineWeb.getWylieForChar(s);
|
|
charList.add(s);
|
|
isTopHypothesis = true;
|
|
newGlyphList = TibTextUtils.getGlyphs(charList, isStackingRightToLeft, isDefinitelyTibetan, isDefinitelySanskrit);
|
|
oldGlyphList = redrawGlyphs(oldGlyphList, newGlyphList);
|
|
changedStatus = true;
|
|
updateStatus("You typed a non-vowel, Tibetan character.");
|
|
} else {
|
|
if (TibetanMachineWeb.hasInputPrefix(s)) {
|
|
isTopHypothesis = false;
|
|
changedStatus = true;
|
|
updateStatus("incomplete input (like the \"S\" in Extended Wylie's \"Sh\")");
|
|
} else {
|
|
// before we call initKeyboard, get info to prevent infinite loops:
|
|
StringBuffer prevHoldCurrent = new StringBuffer(holdCurrent.toString());
|
|
|
|
// FIXME: ring a bell here so the user knows what's up.
|
|
initKeyboard();
|
|
|
|
// The recursive call to
|
|
// processTibetanChar will update the
|
|
// status bar, so set this to true:
|
|
changedStatus = true;
|
|
|
|
// This status message is bound to get
|
|
// overridden, but this is what we
|
|
// would say if we had a queue of
|
|
// messages or something like Emacs's
|
|
// M-x view-lossage to see a history
|
|
// of status messages:
|
|
appendStatus(" (because you typed something invalid [1st way])");
|
|
|
|
if (prevHoldCurrent.length() != 0
|
|
&& !prevHoldCurrent.toString().equals(String.valueOf(c))) {
|
|
processTibetanChar(c);
|
|
}
|
|
// else we'd go into an infinite loop
|
|
}
|
|
}
|
|
}
|
|
} else { //there is already a character in charList
|
|
holdCurrent.append(c);
|
|
String s = holdCurrent.toString();
|
|
|
|
if (TibetanMachineWeb.isVowel(s)) { //the holding string is a vowel
|
|
s = TibetanMachineWeb.getWylieForVowel(s);
|
|
initKeyboard();
|
|
isTypingVowel = true;
|
|
putVowel(s);
|
|
changedStatus = true;
|
|
updateStatus("You typed another vowel, so the first vowel was discarded.");
|
|
} else if (TibetanMachineWeb.isChar(s)) { //the holding string is a character
|
|
String s2 = TibetanMachineWeb.getWylieForChar(s);
|
|
|
|
if (isTopHypothesis) {
|
|
if (TibetanMachineWeb.isAChungConsonant() && isStackingOn && charList.size()>1 && s2.equals(TibetanMachineWeb.ACHUNG)) {
|
|
charList.remove(charList.size() - 1);
|
|
newGlyphList = TibTextUtils.getGlyphs(charList, isStackingRightToLeft, isDefinitelyTibetan, isDefinitelySanskrit);
|
|
oldGlyphList = redrawGlyphs(oldGlyphList, newGlyphList);
|
|
putVowel(TibetanMachineWeb.A_VOWEL);
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because we put a vowel and there's some achung stuff happening)");
|
|
break key_block;
|
|
}
|
|
charList.set(charList.size()-1, s2);
|
|
newGlyphList = TibTextUtils.getGlyphs(charList, isStackingRightToLeft, isDefinitelyTibetan, isDefinitelySanskrit);
|
|
oldGlyphList = redrawGlyphs(oldGlyphList, newGlyphList);
|
|
changedStatus = true;
|
|
updateStatus("we were holding a hypothesis, and we've updated it");
|
|
} else {
|
|
if (!isStackingOn) {
|
|
initKeyboard();
|
|
holdCurrent = new StringBuffer(s);
|
|
changedStatus = true;
|
|
appendStatus(" (because you weren't stacking, and there was a character already)");
|
|
} else if (TibetanMachineWeb.isAChungConsonant() && s2.equals(TibetanMachineWeb.ACHUNG)) {
|
|
putVowel(TibetanMachineWeb.A_VOWEL);
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because you were stacking, and we put a vowel, and there was some achung business)");
|
|
break key_block;
|
|
}
|
|
|
|
charList.add(s2);
|
|
isTopHypothesis = true;
|
|
newGlyphList = TibTextUtils.getGlyphs(charList, isStackingRightToLeft, isDefinitelyTibetan, isDefinitelySanskrit);
|
|
oldGlyphList = redrawGlyphs(oldGlyphList, newGlyphList);
|
|
changedStatus = true;
|
|
updateStatus("we weren't holding a hypothesis, but we are now");
|
|
}
|
|
} else { //the holding string is not a character
|
|
if (isTopHypothesis) { //finalize top character and add new hypothesis to top
|
|
holdCurrent = new StringBuffer();
|
|
holdCurrent.append(c);
|
|
s = holdCurrent.toString();
|
|
|
|
if (TibetanMachineWeb.isVowel(s)) {
|
|
String s2 = TibetanMachineWeb.getWylieForVowel(s);
|
|
putVowel(s2);
|
|
initKeyboard();
|
|
isTypingVowel = true;
|
|
holdCurrent = new StringBuffer(s);
|
|
changedStatus = true;
|
|
appendStatus(" (because we put a vowel and the previous...)");
|
|
} else {
|
|
if (TibetanMachineWeb.isStackingMedial() && !isStackingRightToLeft) {
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because TibetanMachineWeb.isStackingMedial() && !isStackingRightToLeft)");
|
|
}
|
|
|
|
if (TibetanMachineWeb.isChar(s)) {
|
|
String s2 = TibetanMachineWeb.getWylieForChar(s);
|
|
|
|
if (!isStackingOn) {
|
|
initKeyboard();
|
|
} else if (TibetanMachineWeb.isAChungConsonant() && s2.equals(TibetanMachineWeb.ACHUNG)) {
|
|
putVowel(TibetanMachineWeb.A_VOWEL);
|
|
initKeyboard();
|
|
changedStatus = true;
|
|
appendStatus(" (because we put a vowel)");
|
|
break key_block;
|
|
}
|
|
|
|
charList.add(s2);
|
|
newGlyphList = TibTextUtils.getGlyphs(charList, isStackingRightToLeft, isDefinitelyTibetan, isDefinitelySanskrit);
|
|
oldGlyphList = redrawGlyphs(oldGlyphList, newGlyphList);
|
|
changedStatus = true;
|
|
updateStatus("added character to charList");
|
|
} else {
|
|
holdCurrent = new StringBuffer(s);
|
|
isTopHypothesis = false;
|
|
changedStatus = true;
|
|
// FIXME: ring a bell here so the user knows what's up.
|
|
updateStatus("semireset (holdCurrent was reset) because you typed something invalid");
|
|
}
|
|
}
|
|
} else {
|
|
// top char is just a guess! Just keep c
|
|
// in holdCurrent if it may become valid
|
|
// input, or reset if we've no hope.
|
|
|
|
if (TibetanMachineWeb.hasInputPrefix(s)) {
|
|
isTopHypothesis = false;
|
|
changedStatus = true;
|
|
updateStatus("incomplete input (like the \"S\" in Extended Wylie's \"Sh\")");
|
|
} else {
|
|
// before we call initKeyboard, get info to prevent infinite loops:
|
|
StringBuffer prevHoldCurrent = new StringBuffer(holdCurrent.toString());
|
|
|
|
// FIXME: ring a bell here so the user knows what's up.
|
|
initKeyboard();
|
|
|
|
// The recursive call to
|
|
// processTibetanChar will update the
|
|
// status bar, so set this to true:
|
|
changedStatus = true;
|
|
|
|
// This status message is bound to get
|
|
// overridden, but this is what we
|
|
// would say if we had a queue of
|
|
// messages or something like Emacs's
|
|
// M-x view-lossage to see a history
|
|
// of status messages:
|
|
appendStatus(" (because you typed something invalid [2nd way])");
|
|
|
|
if (prevHoldCurrent.length() != 0
|
|
&& !prevHoldCurrent.toString().equals(String.valueOf(c))) {
|
|
processTibetanChar(c);
|
|
}
|
|
// else we'd go into an infinite loop
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} //end switch
|
|
} //end key_block
|
|
|
|
if (changedStatus == false) {
|
|
updateStatus("THAT KEY DID NOTHING BECAUSE OF THE CURRENT INPUT MODE.");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts the entire document to Extended Wylie.
|
|
*/
|
|
public void toWylie() {
|
|
int start = getSelectionStart();
|
|
int end = getSelectionEnd();
|
|
long n[] = new long[] { 0 };
|
|
toWylie(start, end, n);
|
|
}
|
|
|
|
/**
|
|
* Converts the specified portion
|
|
* of this object's document to Extended Wylie.
|
|
*
|
|
* @param start the point from which to begin converting to Wylie
|
|
* @param end the point at which to stop converting to Wylie
|
|
* @param numAttemptedReplacements an array that contains one element;
|
|
* this first element will be, upon exit, incremented by the number of
|
|
* TMW glyphs that we encountered and attempted to convert to Wylie */
|
|
public void toWylie(int start, int end,
|
|
long numAttemptedReplacements[]) {
|
|
if (start == end)
|
|
return;
|
|
|
|
|
|
try {
|
|
DuffCode[] any_dc_array = new DuffCode[0];
|
|
DuffCode[] dc_array;
|
|
Position endPos = getTibDoc().createPosition(end);
|
|
int i = start;
|
|
java.util.List dcs = new ArrayList();
|
|
|
|
while (i < endPos.getOffset()+1) {
|
|
AttributeSet attr
|
|
= getTibDoc().getCharacterElement(i).getAttributes();
|
|
String fontName = StyleConstants.getFontFamily(attr);
|
|
int fontNum;
|
|
|
|
if ((0 == (fontNum = TibetanMachineWeb.getTMWFontNumber(fontName))) || i==endPos.getOffset()) {
|
|
if (i != start) {
|
|
dc_array = (DuffCode[])dcs.toArray(any_dc_array);
|
|
getTibDoc().remove(start, i-start);
|
|
append(start, TibTextUtils.getWylie(dc_array), romanAttributeSet);
|
|
dcs.clear();
|
|
}
|
|
start = i+1;
|
|
} else {
|
|
char ch = getTibDoc().getText(i,1).charAt(0);
|
|
dcs.add(new DuffCode(fontNum, ch));
|
|
++numAttemptedReplacements[0];
|
|
}
|
|
|
|
i++;
|
|
}
|
|
} catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts a string of Extended Wylie to TibetanMachineWeb, and
|
|
* inserts it at the specified position.
|
|
*
|
|
* @param wylie the string of Wylie to convert
|
|
* @param offset the position at which to insert the conversion
|
|
*/
|
|
public void toTibetanMachineWeb(String wylie, int offset) {
|
|
try {
|
|
StringTokenizer sTok = new StringTokenizer(wylie, "\n\t", true); // FIXME does this work on all platforms?
|
|
while (sTok.hasMoreTokens()) {
|
|
String next = sTok.nextToken();
|
|
if (next.equals("\n") || next.equals("\t")) { // FIXME does this work on all platforms?
|
|
try {
|
|
getTibDoc().insertString(offset, next, null);
|
|
offset++;
|
|
} catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
} else {
|
|
DuffData[] dd = TibTextUtils.getTibetanMachineWeb(next);
|
|
offset = getTibDoc().insertDuff(offset, dd);
|
|
}
|
|
}
|
|
}
|
|
catch (InvalidWylieException iwe) {
|
|
JOptionPane.showMessageDialog(this,
|
|
"The Wylie you are trying to convert is invalid, " +
|
|
"beginning from:\n " + iwe.getCulpritInContext() + "\n" +
|
|
"The culprit is probably the character '"+iwe.getCulprit()+"'.");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts the currently selected text from Extended Wylie to TibetanMachineWeb.
|
|
*/
|
|
public void toTibetanMachineWeb() {
|
|
int start = getSelectionStart();
|
|
int end = getSelectionEnd();
|
|
|
|
toTibetanMachineWeb(start, end);
|
|
}
|
|
|
|
/**
|
|
* Converts a stretch of text from Extended Wylie to TibetanMachineWeb.
|
|
* @param start the begin point for the conversion
|
|
* @param end the end point for the conversion
|
|
*/
|
|
public void toTibetanMachineWeb(int start, int end) {
|
|
if (start == end)
|
|
return;
|
|
|
|
StringBuffer sb;
|
|
AttributeSet attr;
|
|
String fontName;
|
|
Position endPos;
|
|
int i;
|
|
|
|
try {
|
|
sb = new StringBuffer();
|
|
endPos = getTibDoc().createPosition(end);
|
|
i = start;
|
|
|
|
while (i < endPos.getOffset()+1) {
|
|
attr = getTibDoc().getCharacterElement(i).getAttributes();
|
|
fontName = StyleConstants.getFontFamily(attr);
|
|
|
|
if ((0 != TibetanMachineWeb.getTMWFontNumber(fontName)) || i==endPos.getOffset()) {
|
|
if (i != start) {
|
|
try {
|
|
DuffData[] duffdata = TibTextUtils.getTibetanMachineWeb(sb.toString());
|
|
getTibDoc().remove(start, i-start);
|
|
getTibDoc().insertDuff(start, duffdata);
|
|
}
|
|
catch (InvalidWylieException iwe) {
|
|
JOptionPane.showMessageDialog(this,
|
|
"The Wylie you are trying to convert is invalid, " +
|
|
"beginning from:\n " + iwe.getCulpritInContext() +
|
|
"\nThe culprit is probably the character '" +
|
|
iwe.getCulprit() + "'.");
|
|
return;
|
|
}
|
|
}
|
|
start = i+1;
|
|
}
|
|
else
|
|
sb.append(getTibDoc().getText(i, 1));
|
|
|
|
i++;
|
|
}
|
|
}
|
|
catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts the entire associated document into Extended Wylie. If the
|
|
* document consists of both Tibetan and non-Tibetan fonts, however,
|
|
* the conversion stops at the first non-Tibetan font.
|
|
* @return the string of Wylie corresponding to the associated document
|
|
* @see org.thdl.tib.text.TibetanDocument#getWylie() */
|
|
public String getWylie() {
|
|
return getTibDoc().getWylie();
|
|
}
|
|
|
|
|
|
|
|
|
|
// FIXMEDOC
|
|
class RTFSelection implements ClipboardOwner, Transferable {
|
|
private DataFlavor[] supportedFlavor;
|
|
private ByteArrayOutputStream rtfOut;
|
|
private String plainText;
|
|
|
|
// FIXMEDOC
|
|
RTFSelection(StyledDocument sdoc, int offset, int length) {
|
|
supportedFlavor = new DataFlavor[2];
|
|
supportedFlavor[0] = rtfFlavor;
|
|
supportedFlavor[1] = DataFlavor.stringFlavor;
|
|
try {
|
|
//construct new document that contains only portion of text you want to copy
|
|
//this workaround is due to bug 4129911, which will not be fixed (see below after source code)
|
|
StyledDocument newDoc = new DefaultStyledDocument();
|
|
for (int i=offset; i<offset+length; i++) {
|
|
try {
|
|
String s = sdoc.getText(i,1);
|
|
AttributeSet as = sdoc.getCharacterElement(i).getAttributes();
|
|
newDoc.insertString(i-offset, s, as);
|
|
} catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
rtfOut = new ByteArrayOutputStream();
|
|
rtfEd.write(rtfOut, newDoc, 0, newDoc.getLength()); //last two parameters ignored, see bug below
|
|
plainText = getText(offset, length);
|
|
} catch (BadLocationException ble) {
|
|
ble.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
} catch (IOException ioe) {
|
|
ioe.printStackTrace();
|
|
ThdlDebug.noteIffyCode();
|
|
}
|
|
}
|
|
// FIXMEDOC
|
|
public void lostOwnership(Clipboard clipboard, Transferable contents) {
|
|
}
|
|
// FIXMEDOC
|
|
public Object getTransferData(DataFlavor flavor) {
|
|
if (flavor.equals(rtfFlavor))
|
|
return new ByteArrayInputStream(rtfOut.toByteArray());
|
|
if (flavor.equals(DataFlavor.stringFlavor))
|
|
return plainText;
|
|
return null;
|
|
}
|
|
// FIXMEDOC
|
|
public DataFlavor[] getTransferDataFlavors() {
|
|
return supportedFlavor;
|
|
}
|
|
// FIXMEDOC
|
|
public boolean isDataFlavorSupported(DataFlavor flavor) {
|
|
for (int i=0; i<supportedFlavor.length; i++)
|
|
if (flavor.equals(supportedFlavor[i]))
|
|
return true;
|
|
return false;
|
|
}
|
|
} // class RTFSelection
|
|
|
|
}
|