/*******************************************************************************
* Copyright (c) 2008 Standards for Technology in Automotive Retail and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* David Carver (STAR) - bug 230072 - initial API and implementation
* based on org.eclipse.wst.html.ui class of
* the same name.
*******************************************************************************/
package com.liferay.ide.project.ui.pref;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ProjectScope;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.DefaultScope;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.dialogs.ControlEnableState;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.Link;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.dialogs.ListDialog;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.views.navigator.ResourceSorter;
import org.eclipse.wst.sse.core.internal.tasks.TaskTagPreferenceKeys;
import org.eclipse.wst.sse.ui.internal.SSEUIMessages;
import org.eclipse.wst.sse.ui.internal.SSEUIPlugin;
/**
* Based loosely on org.eclipse.jdt.internal.ui.preferences.PropertyAndPreferencePage
*/
abstract class PropertyPreferencePage extends PropertyPage implements IWorkbenchPreferencePage {
private static final boolean _debugPreferences = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.sse.ui/preferences-properties")); //$NON-NLS-1$ //$NON-NLS-2$
/*
* Disable link data, prevents the display of a "workspace" or "project"
* settings link to prevent recursive dialog launching
*/
private static final Object DISABLE_LINK = "DISABLE_LINK"; //$NON-NLS-1$
private Map Data = null;
private Button EnableProjectSettings;
private Link ProjectSettingsLink;
private Control Common;
private ControlEnableState Enablements;
public PropertyPreferencePage() {
super();
}
@Override
public final void applyData(Object data) {
super.applyData(data);
if (data instanceof Map) {
Data = (Map) data;
updateLinkEnablement();
}
}
protected abstract Control createCommonContents(Composite composite);
@Override
public final Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
composite.setLayout(layout);
GridData data = new GridData(GridData.FILL_BOTH);
composite.setLayoutData(data);
Composite checkLinkComposite = new Composite(composite, SWT.NONE);
checkLinkComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
checkLinkComposite.setLayout(new GridLayout(2, false));
if (getProject() != null) {
EnableProjectSettings = new Button(checkLinkComposite, SWT.CHECK);
EnableProjectSettings.setText(SSEUIMessages.EnableProjectSettings);
EnableProjectSettings.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
boolean enabledForProject = createPreferenceScopes()[0].getNode(getPreferenceNodeQualifier()).getBoolean(getProjectSettingsKey(), false);
EnableProjectSettings.setSelection(enabledForProject);
}
else {
Label spacer = new Label(checkLinkComposite, SWT.CHECK);
spacer.setLayoutData(new GridData());
}
ProjectSettingsLink = new Link(checkLinkComposite, SWT.NONE);
ProjectSettingsLink.setLayoutData(new GridData(SWT.END, SWT.BEGINNING, true, false));
/*
* "element" should be a project, if null, link to per-project
* properties
*/
if (getProject() != null) {
ProjectSettingsLink.setText("<a>" + SSEUIMessages.ConfigureWorkspaceSettings + "</a>"); //$NON-NLS-1$//$NON-NLS-2$
}
else {
ProjectSettingsLink.setText("<a>" + SSEUIMessages.ConfigureProjectSettings + "</a>"); //$NON-NLS-1$//$NON-NLS-2$
}
updateLinkEnablement();
ProjectSettingsLink.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
public void widgetSelected(SelectionEvent e) {
if (getProject() == null) {
openProjectSettings();
}
else {
openWorkspaceSettings();
}
}
});
if (getProject() != null) {
Label line = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL);
line.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
}
Common = createCommonContents(composite);
Common.setLayoutData(new GridData(GridData.FILL_BOTH));
if (EnableProjectSettings != null) {
SelectionAdapter selectionAdapter = new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
super.widgetSelected(e);
enablePreferenceContent(EnableProjectSettings.getSelection());
}
};
selectionAdapter.widgetSelected(null);
EnableProjectSettings.addSelectionListener(selectionAdapter);
}
applyDialogFont(composite);
return composite;
}
protected IScopeContext[] createPreferenceScopes() {
IProject project = getProject();
if (project != null) {
return new IScopeContext[]{new ProjectScope(project), new InstanceScope(), new DefaultScope()};
}
return new IScopeContext[]{new InstanceScope(), new DefaultScope()};
}
protected abstract String getPreferenceNodeQualifier();
protected abstract String getPreferencePageID();
protected IProject getProject() {
if (getElement() != null) {
if (getElement() instanceof IProject) {
return (IProject) getElement();
}
Object adapter = getElement().getAdapter(IProject.class);
if (adapter instanceof IProject) {
return (IProject) adapter;
}
adapter = getElement().getAdapter(IResource.class);
if (adapter instanceof IProject) {
return (IProject) adapter;
}
}
return null;
}
protected abstract String getProjectSettingsKey();
protected abstract String getPropertyPageID();
protected boolean isElementSettingsEnabled() {
return EnableProjectSettings != null && EnableProjectSettings.getSelection();
}
void openProjectSettings() {
ListDialog dialog = new ListDialog(getShell()) {
@Override
protected Control createDialogArea(Composite container) {
Control area = super.createDialogArea(container);
getTableViewer().setSorter(new ResourceSorter(ResourceSorter.NAME));
return area;
}
};
dialog.setMessage(SSEUIMessages.PropertyPreferencePage_02);
dialog.setContentProvider(new IStructuredContentProvider() {
public void dispose() {
}
public Object[] getElements(Object inputElement) {
return ((IWorkspace) inputElement).getRoot().getProjects();
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
});
dialog.setLabelProvider(new DecoratingLabelProvider(new WorkbenchLabelProvider(), SSEUIPlugin.getDefault().getWorkbench().getDecoratorManager().getLabelDecorator()));
dialog.setInput(ResourcesPlugin.getWorkspace());
dialog.setTitle(SSEUIMessages.PropertyPreferencePage_01);
if (dialog.open() == Window.OK) {
Object[] result = dialog.getResult();
if (result.length > 0) {
IProject project = (IProject) dialog.getResult()[0];
Map data = new HashMap();
data.put(DISABLE_LINK, Boolean.TRUE);
PreferencesUtil.createPropertyDialogOn(getShell(), project, getPropertyPageID(), new String[]{getPropertyPageID()}, data).open();
}
}
}
void openWorkspaceSettings() {
Map data = new HashMap();
data.put(DISABLE_LINK, Boolean.TRUE);
PreferencesUtil.createPreferenceDialogOn(getShell(), getPreferencePageID(), new String[]{getPreferencePageID()}, data).open();
}
@Override
public boolean performOk() {
boolean ok = super.performOk();
IScopeContext[] preferenceScopes = createPreferenceScopes();
if (getProject() != null) {
if (isElementSettingsEnabled()) {
if (_debugPreferences) {
System.out.println(getClass().getName() + " setting " + TaskTagPreferenceKeys.TASK_TAG_PER_PROJECT + " (" + true + ") in scope " + preferenceScopes[0].getName() + ":" + preferenceScopes[0].getLocation()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
}
preferenceScopes[0].getNode(getPreferenceNodeQualifier()).putBoolean(getProjectSettingsKey(), EnableProjectSettings.getSelection());
}
else {
if (_debugPreferences) {
System.out.println(getClass().getName() + " removing " + TaskTagPreferenceKeys.TASK_TAG_PER_PROJECT + " from scope " + preferenceScopes[0].getName() + ":" + preferenceScopes[0].getLocation()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
preferenceScopes[0].getNode(getPreferenceNodeQualifier()).remove(getProjectSettingsKey());
}
}
return ok;
}
@Override
protected void performDefaults() {
if(getProject() != null && EnableProjectSettings != null) {
EnableProjectSettings.setSelection(false);
enablePreferenceContent(false);
}
super.performDefaults();
}
private void updateLinkEnablement() {
if (Data != null && ProjectSettingsLink != null) {
ProjectSettingsLink.setEnabled(!Boolean.TRUE.equals(Data.get(DISABLE_LINK)));
}
}
/**
* Controls the enablement of the common content region
* of a property or preference page
*
* @param enable the enabled state of the common content
* area
*/
protected void enablePreferenceContent(boolean enable) {
if(enable) {
if(Enablements != null) {
Enablements.restore();
Enablements = null;
}
}
else {
if(Enablements == null)
Enablements = ControlEnableState.disable(Common);
}
}
}