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Jskad
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We had some useless code for enabling and disabling the clipboard; I've 

killed it.  Jskad in applets would take QA and some code changes, I bet, so
a TODO is good enough.

Documented better the clipboard code.
This commit is contained in:
dchandler 2005-02-26 20:46:40 +00:00
parent 5d99c0ce7f
commit 25f5440218
2 changed files with 26 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
source/org/thdl/tib/input/DuffPane.java
View File

@ -186,7 +186,6 @@ public class DuffPane extends TibetanPane implements FocusListener {
private Caret caret;
private Style rootStyle;
private boolean skipUpdate = false;
private boolean isCutAndPasteEnabled = true;
private String romanFontFamily;
private int romanFontSize;
@ -992,7 +991,6 @@ public class DuffPane extends TibetanPane implements FocusListener {
* 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) {
@ -1000,11 +998,14 @@ public class DuffPane extends TibetanPane implements FocusListener {
RTFSelection rtfSelection = new RTFSelection((StyledDocument)getDocument(), p1, p2-p1);
try {
rtfBoard.setContents(rtfSelection, rtfSelection);
updateStatus("Copied to clipboard");
} catch (IllegalStateException ise) {
ise.printStackTrace();
ThdlDebug.noteIffyCode();
}
}
} else
updateStatus("Nothing to copy/cut");
if (remove) {
// Respect setEditable(boolean):
if (!this.isEditable())
@ -1013,6 +1014,7 @@ public class DuffPane extends TibetanPane implements FocusListener {
try {
ThdlDebug.verify(getDocument() == getTibDoc());
getDocument().remove(p1, p2-p1);
updateStatus("Cut to clipboard");
} catch (BadLocationException ble) {
ble.printStackTrace();
ThdlDebug.noteIffyCode();
@ -1117,29 +1119,6 @@ public void paste(int offset)
}
}
/**
* 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, AttributeSet attSet) {
switch (key.charAt(0)) {
case KeyEvent.VK_TAB:
@ -1652,20 +1631,23 @@ public void paste(int offset)
// FIXMEDOC
/** The JDK contains StringSelection, but we want to copy and paste
RTF sometimes. Enter RTFSelection. */
class RTFSelection implements ClipboardOwner, Transferable {
private DataFlavor[] supportedFlavor;
private DataFlavor[] supportedFlavors;
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;
supportedFlavors = new DataFlavor[2];
supportedFlavors[0] = rtfFlavor;
supportedFlavors[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)
//this workaround is due to bug 4129911, which will not be fixed
// TODO(dchandler): Is this where we lose formatting like
// centering and indention?
StyledDocument newDoc = new DefaultStyledDocument();
for (int i=offset; i<offset+length; i++) {
try {
@ -1678,7 +1660,10 @@ class RTFSelection implements ClipboardOwner, Transferable {
}
}
rtfOut = new ByteArrayOutputStream();
rtfEd.write(rtfOut, newDoc, 0, newDoc.getLength()); //last two parameters ignored, see bug below
//last two parameters ignored (bug 4129911?):
rtfEd.write(rtfOut, newDoc, 0, newDoc.getLength());
plainText = getText(offset, length);
} catch (BadLocationException ble) {
ble.printStackTrace();
@ -1688,10 +1673,8 @@ class RTFSelection implements ClipboardOwner, Transferable {
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());
@ -1699,14 +1682,14 @@ class RTFSelection implements ClipboardOwner, Transferable {
return plainText;
return null;
}
// FIXMEDOC
public DataFlavor[] getTransferDataFlavors() {
return supportedFlavor;
// TODO(dchandler): Can't the caller modify our array? Let's
// return a new array that's a copy, for safety.
return supportedFlavors;
}
// FIXMEDOC
public boolean isDataFlavorSupported(DataFlavor flavor) {
for (int i=0; i<supportedFlavor.length; i++)
if (flavor.equals(supportedFlavor[i]))
for (int i=0; i<supportedFlavors.length; i++)
if (flavor.equals(supportedFlavors[i]))
return true;
return false;
}

3
source/org/thdl/tib/input/Jskad.java
View File

@ -858,7 +858,8 @@ public class Jskad extends JPanel implements DocumentListener {
} else if (parentObject instanceof JApplet) {
JApplet parentApplet = (JApplet)parentObject;
parentApplet.setJMenuBar(menuBar);
dp.disableCutAndPaste();
// TODO(dchandler): disable cut and paste in the applet
// (we once did this...)
}
setLayout(new BorderLayout());