Java Code Examples for org.eclipse.jface.text.ITextViewer#getTextOperationTarget()

The following examples show how to use org.eclipse.jface.text.ITextViewer#getTextOperationTarget() . 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: TextViewerOperationAction.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

/**
 * The <code>TextOperationAction</code> implementation of this <code>IUpdate</code> method discovers the operation
 * through the current editor's <code>ITextOperationTarget</code> adapter, and sets the enabled state accordingly.
 */
@Override
public void update() {
	if (!fAllowUpdate)
		return;

	super.update();

	if (!fRunsOnReadOnly && !canModifyViewer()) {
		setEnabled(false);
		return;
	}

	ITextViewer viewer = getTextViewer();
	if (fOperationTarget == null && viewer != null && fOperationCode != -1)
		fOperationTarget = viewer.getTextOperationTarget();

	boolean isEnabled = (fOperationTarget != null && fOperationTarget.canDoOperation(fOperationCode));
	setEnabled(isEnabled);
}

Example 2

Source File: TextViewerShiftAction.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

@Override
public void update() {
	super.update();
	if (!isEnabled())
		return;

	if (!canModifyViewer()) {
		setEnabled(false);
		return;
	}

	ITextViewer viewer = getTextViewer();
	if (fOperationTarget == null && viewer != null && fOperationCode != -1)
		fOperationTarget = viewer.getTextOperationTarget();

}

Example 3

Source File: TextViewerShiftAction.java From xtext-eclipse with Eclipse Public License 2.0

6 votes

@Override
public boolean isEnabled(boolean isWritable) {

	if (!isWritable)
		return false;

	/*
	 * Note that this implementation still honors the result returned by canDoOperation.
	 * I.e. if the viewer is set to read-only, this method still returns false.
	 * It covers the case in which the viewer is also writable.
	 *
	 */
	ITextViewer viewer = getTextViewer();
	if (fOperationTarget == null && viewer != null && fOperationCode != -1)
		fOperationTarget = viewer.getTextOperationTarget();

	return (fOperationTarget != null && fOperationTarget.canDoOperation(fOperationCode));
}

Example 4

Source File: TextViewerAction.java From APICloud-Studio with GNU General Public License v3.0

4 votes

public TextViewerAction(ITextViewer viewer, int operationCode) {
	this.operationCode = operationCode;
	operationTarget = viewer.getTextOperationTarget();
	update();
}

Example 5

Source File: EditTemplateDialog.java From typescript.java with MIT License

2 votes

/**
 * Creates a new action.
 * 
 * @param viewer
 *            the viewer
 * @param operationCode
 *            the opcode
 */
public TextViewerAction(ITextViewer viewer, int operationCode) {
	fOperationCode = operationCode;
	fOperationTarget = viewer.getTextOperationTarget();
	update();
}

Example 6

Source File: EditTemplateDialog.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0

2 votes

/**
 * Creates a new action.
 *
 * @param viewer the viewer
 * @param operationCode the opcode
 */
public TextViewerAction(ITextViewer viewer, int operationCode) {
	fOperationCode= operationCode;
	fOperationTarget= viewer.getTextOperationTarget();
	update();
}