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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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package org.chromium.debug.ui.propertypages;
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import java.util.ArrayList;
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import java.util.List;
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import org.chromium.debug.core.ChromiumDebugPlugin;
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import org.chromium.debug.core.model.ChromiumLineBreakpoint;
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import org.chromium.debug.core.util.ChromiumDebugPluginUtil;
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import org.eclipse.core.resources.IWorkspaceRunnable;
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import org.eclipse.core.resources.ResourcesPlugin;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.jface.resource.JFaceResources;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.ModifyEvent;
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import org.eclipse.swt.events.ModifyListener;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Control;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Text;
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import org.eclipse.ui.dialogs.PropertyPage;
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/**
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* A JavaScript line breakpoint property page.
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*/
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public class JsLineBreakpointPage extends PropertyPage {
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private final List<String> errorMessages = new ArrayList<String>(2);
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private Button enabledCheckbox;
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private Button ignoreCountCheckbox;
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private Text ignoreCountText;
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private Button conditionCheckbox;
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private Text conditionText;
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@Override
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protected Control createContents(Composite parent) {
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noDefaultAndApplyButton();
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Composite mainComposite = createComposite(parent, 2, 1);
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try {
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createBreakpointDataControls(mainComposite);
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createInfoControls(mainComposite);
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createEnabledControls(mainComposite);
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createIgnoreCountControls(mainComposite);
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createConditionControls(mainComposite);
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} catch (CoreException e) {
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ChromiumDebugPlugin.log(e);
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}
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setValid(true);
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return mainComposite;
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}
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@Override
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public boolean performOk() {
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IWorkspaceRunnable runnable = new IWorkspaceRunnable() {
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public void run(IProgressMonitor monitor) throws CoreException {
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storePrefs();
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}
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};
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try {
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ResourcesPlugin.getWorkspace().run(runnable, null, 0, null);
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} catch (CoreException e) {
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ChromiumDebugPlugin.log(e);
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}
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return super.performOk();
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}
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private void storePrefs() throws CoreException {
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ChromiumLineBreakpoint breakpoint = getBreakpoint();
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breakpoint.setEnabled(enabledCheckbox.getSelection());
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breakpoint.setIgnoreCount(ignoreCountCheckbox.getSelection()
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? Integer.valueOf(ignoreCountText.getText())
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: -1);
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String condition = null;
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if (conditionCheckbox.getSelection()) {
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String text = conditionText.getText().trim();
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if (text.length() > 0) {
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condition = text;
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}
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}
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breakpoint.setCondition(condition);
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}
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private void createBreakpointDataControls(Composite mainComposite) {
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// new Label
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}
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private void createInfoControls(Composite parent) {
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Composite infoComposite = createComposite(parent, 2, 2);
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Label resourceLabel = new Label(infoComposite, SWT.NONE);
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resourceLabel.setText(Messages.JsLineBreakpointPage_ResourceLabel);
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Label resourceNameLabel = new Label(infoComposite, SWT.NONE);
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resourceNameLabel.setText(getBreakpoint().getMarker().getResource().getName());
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Label lineNumberLabel = new Label(infoComposite, SWT.NONE);
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lineNumberLabel.setText(Messages.JsLineBreakpointPage_LineNumberLabel);
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Label lineNumberValueLabel = new Label(infoComposite, SWT.NONE);
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String lineNumber = Messages.JsLineBreakpointPage_UnknownLineNumber;
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try {
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lineNumber = String.valueOf(getBreakpoint().getLineNumber());
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} catch (CoreException e) {
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ChromiumDebugPlugin.log(e);
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}
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lineNumberValueLabel.setText(lineNumber);
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}
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private void createEnabledControls(Composite parent) throws CoreException {
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enabledCheckbox = new Button(parent, SWT.CHECK);
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GridData gd = new GridData();
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gd.horizontalSpan = 2;
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enabledCheckbox.setLayoutData(gd);
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enabledCheckbox.setSelection(getBreakpoint().isEnabled());
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enabledCheckbox.setText(Messages.JavascriptLineBreakpointPage_Enabled);
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}
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private void createIgnoreCountControls(Composite parent) throws CoreException {
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ignoreCountCheckbox = new Button(parent, SWT.CHECK);
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Integer ignoreCount = getBreakpoint().getIgnoreCount();
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ignoreCountCheckbox.setSelection(ignoreCount != null);
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ignoreCountCheckbox.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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ignoreCountText.setEnabled(ignoreCountCheckbox.getSelection());
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ignoreCountChanged();
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}
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});
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ignoreCountCheckbox.setText(Messages.JavascriptLineBreakpointPage_IgnoreCount);
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ignoreCountText = new Text(parent, SWT.SINGLE | SWT.BORDER);
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ignoreCountText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
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ignoreCountText.setTextLimit(10);
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ignoreCountText.setEnabled(ignoreCountCheckbox.getSelection());
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if (ignoreCount != null) {
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ignoreCountText.setText(String.valueOf(ignoreCount));
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}
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ignoreCountText.addModifyListener(new ModifyListener() {
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public void modifyText(ModifyEvent e) {
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ignoreCountChanged();
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}
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});
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}
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private void ignoreCountChanged() {
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boolean isOn = ignoreCountCheckbox.getSelection();
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if (!isOn) {
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removeErrorMessage(Messages.JavascriptLineBreakpointPage_IgnoreCountErrorMessage);
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return;
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}
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String value = ignoreCountText.getText();
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int ignoreCount = -1;
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if (!ChromiumDebugPluginUtil.isInteger(value)) {
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addErrorMessage(Messages.JavascriptLineBreakpointPage_IgnoreCountErrorMessage);
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return;
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}
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ignoreCount = Integer.valueOf(value);
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if (ignoreCount < 1) {
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addErrorMessage(Messages.JavascriptLineBreakpointPage_IgnoreCountErrorMessage);
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} else {
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removeErrorMessage(Messages.JavascriptLineBreakpointPage_IgnoreCountErrorMessage);
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}
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}
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private void addErrorMessage(String message) {
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errorMessages.remove(message);
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errorMessages.add(message);
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setErrorMessage(message);
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}
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private void removeErrorMessage(String message) {
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errorMessages.remove(message);
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if (errorMessages.isEmpty()) {
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setErrorMessage(null);
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} else {
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setErrorMessage(errorMessages.get(errorMessages.size() - 1));
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}
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}
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@Override
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public void setErrorMessage(String newMessage) {
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super.setErrorMessage(newMessage);
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setValid(newMessage == null);
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}
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private void createConditionControls(Composite parent) {
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conditionCheckbox = new Button(parent, SWT.CHECK);
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conditionCheckbox.setSelection(getBreakpoint().getCondition() != null);
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conditionCheckbox.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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conditionText.setEnabled(conditionCheckbox.getSelection());
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conditionChanged();
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}
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});
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conditionCheckbox.setText(Messages.JavascriptLineBreakpointPage_EnableCondition);
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GridData gd = new GridData();
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gd.horizontalSpan = 2;
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conditionCheckbox.setLayoutData(gd);
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conditionText = new Text(parent, SWT.MULTI | SWT.BORDER);
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gd = new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1);
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conditionText.setLayoutData(gd);
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conditionText.setTextLimit(300);
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conditionText.setFont(JFaceResources.getTextFont());
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conditionText.setEnabled(conditionCheckbox.getSelection());
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conditionText.addModifyListener(new ModifyListener() {
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public void modifyText(ModifyEvent e) {
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conditionChanged();
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}
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});
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conditionText.setText(maskNull(getBreakpoint().getCondition()));
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}
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private static String maskNull(String value) {
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return value == null
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? "" : value; //$NON-NLS-1$
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}
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private void conditionChanged() {
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boolean isOn = conditionCheckbox.getSelection();
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if (!isOn) {
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removeErrorMessage(Messages.JavascriptLineBreakpointPage_BreakpointConditionErrorMessage);
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return;
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}
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String value = conditionText.getText();
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if (value == null) {
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addErrorMessage(Messages.JavascriptLineBreakpointPage_BreakpointConditionErrorMessage);
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} else {
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removeErrorMessage(Messages.JavascriptLineBreakpointPage_BreakpointConditionErrorMessage);
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}
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}
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private Composite createComposite(Composite parent, int columns, int horizontalSpan) {
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Composite composite = new Composite(parent, SWT.NONE);
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GridLayout layout = new GridLayout(columns, false);
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layout.marginWidth = 0;
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layout.marginHeight = 0;
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composite.setLayout(layout);
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composite.setFont(parent.getFont());
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GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
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gridData.horizontalSpan = horizontalSpan;
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composite.setLayoutData(gridData);
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return composite;
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}
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protected ChromiumLineBreakpoint getBreakpoint() {
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return (ChromiumLineBreakpoint) getElement();
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}
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}
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