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/*******************************************************************************
* Copyright (c) 2004, 2012 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* QNX Software Systems - Initial API and implementation
* IBM Corporation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.actions;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
* The "Add Expression" dialog.
*/
public class ExpressionDialog extends Dialog {
private Button fBtnOk = null;
private Text fTextExpression;
private String fExpression = ""; //$NON-NLS-1$
/**
* Constructor for ExpressionDialog.
*
* @param parentShell
*/
public ExpressionDialog(Shell parentShell, String expression) {
super(parentShell);
setShellStyle(getShellStyle() | SWT.RESIZE);
if (expression != null)
fExpression = expression;
}
@Override
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText(ActionMessages.getString("ExpressionDialog.0")); //$NON-NLS-1$
shell.setImage(DebugUITools.getImage(IDebugUIConstants.IMG_OBJS_EXPRESSION));
}
@Override
protected Control createContents(Composite parent) {
Control control = super.createContents(parent);
setOkButtonState();
return control;
}
@Override
protected Control createDialogArea(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout());
((GridLayout) composite.getLayout()).marginWidth = 10;
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
createDataWidgets(composite);
initializeDataWidgets();
return composite;
}
@Override
protected void createButtonsForButtonBar(Composite parent) {
fBtnOk = createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
}
private void createDataWidgets(Composite parent) {
fTextExpression = createExpressionText(parent);
}
private void initializeDataWidgets() {
fTextExpression.setText(fExpression);
fTextExpression.setSelection(fExpression.length());
fTextExpression.selectAll();
setOkButtonState();
}
private Text createExpressionText(Composite parent) {
Label label = new Label(parent, SWT.RIGHT);
label.setText(ActionMessages.getString("ExpressionDialog.1")); //$NON-NLS-1$
final Text text = new Text(parent, SWT.BORDER);
GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.widthHint = 300;
text.setLayoutData(gridData);
addModifyListener(text);
return text;
}
protected void setOkButtonState() {
if (fBtnOk == null)
return;
fBtnOk.setEnabled(fTextExpression.getText().trim().length() > 0);
}
private void storeData() {
fExpression = fTextExpression.getText().trim();
}
private void addModifyListener(Text text) {
text.addModifyListener(new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
setOkButtonState();
}
});
}
public String getExpression() {
return fExpression;
}
@Override
protected void okPressed() {
storeData();
super.okPressed();
}
}
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