Java Code Examples for org.eclipse.ui.texteditor.ITextEditor#isEditable()

The following examples show how to use org.eclipse.ui.texteditor.ITextEditor#isEditable() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ExpandSnippetVerifyKeyListener.java    From APICloud-Studio with GNU General Public License v3.0 6 votes vote down vote up 
private boolean canModifyEditor(ITextEditor editor)
{
	if (editor instanceof ITextEditorExtension2)
	{
		return ((ITextEditorExtension2) editor).isEditorInputModifiable();
	}
	else if (editor instanceof ITextEditorExtension)
	{
		return !((ITextEditorExtension) editor).isEditorInputReadOnly();
	}
	else if (editor != null)
	{
		return editor.isEditable();
	}
	return false;
}
Example 2
Source File: BaseAction.java    From Pydev with Eclipse Public License 1.0 6 votes vote down vote up 
/**
 * @return true if the contents of the editor may be changed. Clients MUST call this before actually
 * modifying the editor.
 */
public static boolean canModifyEditor(ITextEditor editor) {

    if (editor instanceof ITextEditorExtension2) {
        return ((ITextEditorExtension2) editor).isEditorInputModifiable();

    } else if (editor instanceof ITextEditorExtension) {
        return !((ITextEditorExtension) editor).isEditorInputReadOnly();

    } else if (editor != null) {
        return editor.isEditable();

    }

    //If we don't have the editor, let's just say it's ok (working on document).
    return true;
}
Example 3
Source File: AddBlockCommentHandler.java    From xds-ide with Eclipse Public License 1.0 5 votes vote down vote up 
protected boolean validateEditorInputState(ITextEditor editor) {
    if (editor instanceof ITextEditorExtension2)
        return ((ITextEditorExtension2) editor).validateEditorInputState();
    else if (editor instanceof ITextEditorExtension)
        return !((ITextEditorExtension) editor).isEditorInputReadOnly();
    else if (editor != null)
        return editor.isEditable();
    else
        return false;
}
Example 4
Source File: RemoveBlockCommentHandler.java    From xds-ide with Eclipse Public License 1.0 5 votes vote down vote up 
protected boolean validateEditorInputState(ITextEditor editor) {
    if (editor instanceof ITextEditorExtension2)
        return ((ITextEditorExtension2) editor).validateEditorInputState();
    else if (editor instanceof ITextEditorExtension)
        return !((ITextEditorExtension) editor).isEditorInputReadOnly();
    else if (editor != null)
        return editor.isEditable();
    else
        return false;
}
Example 5
Source File: JavaSourceViewerConfiguration.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
@Override
public IReconciler getReconciler(ISourceViewer sourceViewer) {

	final ITextEditor editor= getEditor();
	if (editor != null && editor.isEditable()) {

		JavaCompositeReconcilingStrategy strategy= new JavaCompositeReconcilingStrategy(sourceViewer, editor, getConfiguredDocumentPartitioning(sourceViewer));
		JavaReconciler reconciler= new JavaReconciler(editor, strategy, false);
		reconciler.setIsAllowedToModifyDocument(false);
		reconciler.setDelay(500);

		return reconciler;
	}
	return null;
}
Example 6
Source File: BlockCommentAction.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
/**
 * Ensures that the editor is modifyable. If the editor is an instance of
 * <code>ITextEditorExtension2</code>, its <code>validateEditorInputState</code> method
 * is called, otherwise, the result of <code>isEditable</code> is returned.
 *
 * @param editor the editor to be checked
 * @return <code>true</code> if the editor is editable, <code>false</code> otherwise
 */
protected boolean ensureEditable(ITextEditor editor) {
	Assert.isNotNull(editor);

	if (editor instanceof ITextEditorExtension2) {
		ITextEditorExtension2 ext= (ITextEditorExtension2) editor;
		return ext.validateEditorInputState();
	}

	return editor.isEditable();
}
Example 7
Source File: EmacsPlusCmdHandler.java    From e4macs with Eclipse Public License 1.0 5 votes vote down vote up 
/**
 * Eclipse forces us to check this ourselves
 * 
 * @return true if the editor is modifiable
 */
private boolean getEditable() {
	boolean result = false;
	ITextEditor editor= getThisEditor();
	if (editor != null) {
		if (editor instanceof ITextEditorExtension2)
			result = ((ITextEditorExtension2) editor).isEditorInputModifiable();
		else if (editor instanceof ITextEditorExtension)
			result = !((ITextEditorExtension) editor).isEditorInputReadOnly();
		else 
			result = editor.isEditable();
	} 
	return result;
}
Example 8
Source File: ToggleCommentHandler.java    From xds-ide with Eclipse Public License 1.0 3 votes vote down vote up 
/**
 * Checks and validates the editor's modifiable state. Returns <code>true</code> if an action
 * can proceed modifying the editor's input, <code>false</code> if it should not.
 *
 * <p>If the editor implements <code>ITextEditorExtension2</code>,
 * this method returns {@link ITextEditorExtension2#validateEditorInputState()};<br> else if the editor
 * implements <code>ITextEditorExtension</code>, it returns {@link ITextEditorExtension#isEditorInputReadOnly()};<br>
 * else, {@link ITextEditor#isEditable()} is returned, or <code>false</code> if the editor is <code>null</code>.</p>
 *
 * <p>There is only a difference to {@link #canModifyEditor()} if the editor implements
 * <code>ITextEditorExtension2</code>.</p>
 *
 * @return <code>true</code> if a modifying action can proceed to modify the underlying document, <code>false</code> otherwise
 */
protected boolean validateEditorInputState(ITextEditor editor) {
    if (editor instanceof ITextEditorExtension2)
        return ((ITextEditorExtension2) editor).validateEditorInputState();
    else if (editor instanceof ITextEditorExtension)
        return !((ITextEditorExtension) editor).isEditorInputReadOnly();
    else if (editor != null)
        return editor.isEditable();
    else
        return false;
}
Example 9
Source File: TextEditorAction_Adapter.java    From goclipse with Eclipse Public License 1.0 3 votes vote down vote up 
/**
 * Checks the editor's modifiable state. Returns <code>true</code> if the editor can be modified,
 * taking in account the possible editor extensions.
 *
 * <p>If the editor implements <code>ITextEditorExtension2</code>,
 * this method returns {@link ITextEditorExtension2#isEditorInputModifiable()};<br> else if the editor
 * implements <code>ITextEditorExtension</code>, it returns {@link ITextEditorExtension#isEditorInputReadOnly()};<br>
 * else, {@link ITextEditor#isEditable()} is returned, or <code>false</code> if the editor is <code>null</code>.</p>
 *
 * <p>There is only a difference to {@link #validateEditorInputState()} if the editor implements
 * <code>ITextEditorExtension2</code>.</p>
 *
 * @return <code>true</code> if a modifying action should be enabled, <code>false</code> otherwise
 * @since 3.0
 */
protected boolean canModifyEditor() {
	ITextEditor editor= getTextEditor();
	if (editor instanceof ITextEditorExtension2)
		return ((ITextEditorExtension2) editor).isEditorInputModifiable();
	else if (editor instanceof ITextEditorExtension)
		return !((ITextEditorExtension) editor).isEditorInputReadOnly();
	else if (editor != null)
		return editor.isEditable();
	else
		return false;
}
Example 10
Source File: TextEditorAction_Adapter.java    From goclipse with Eclipse Public License 1.0 3 votes vote down vote up 
/**
 * Checks and validates the editor's modifiable state. Returns <code>true</code> if an action
 * can proceed modifying the editor's input, <code>false</code> if it should not.
 *
 * <p>If the editor implements <code>ITextEditorExtension2</code>,
 * this method returns {@link ITextEditorExtension2#validateEditorInputState()};<br> else if the editor
 * implements <code>ITextEditorExtension</code>, it returns {@link ITextEditorExtension#isEditorInputReadOnly()};<br>
 * else, {@link ITextEditor#isEditable()} is returned, or <code>false</code> if the editor is <code>null</code>.</p>
 *
 * <p>There is only a difference to {@link #canModifyEditor()} if the editor implements
 * <code>ITextEditorExtension2</code>.</p>
 *
 * @return <code>true</code> if a modifying action can proceed to modify the underlying document, <code>false</code> otherwise
 * @since 3.0
 */
protected boolean validateEditorInputState() {
	ITextEditor editor= getTextEditor();
	if (editor instanceof ITextEditorExtension2)
		return ((ITextEditorExtension2) editor).validateEditorInputState();
	else if (editor instanceof ITextEditorExtension)
		return !((ITextEditorExtension) editor).isEditorInputReadOnly();
	else if (editor != null)
		return editor.isEditable();
	else
		return false;
}