/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.click.eclipse.preferences;
import java.util.List;
import org.apache.click.eclipse.ClickPlugin;
import org.apache.click.eclipse.ClickUtils;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
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.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
/**
* The preference page to configure templates.
* These templates are used in the New Click Page Creation Wizard.
*
* @author Naoki Takezoe
*/
public class ClickTemplatePreferencePage extends PreferencePage implements
IWorkbenchPreferencePage {
private TableViewer tableViewer;
private List<Template> tableModel = Template.loadFromPreference();
public ClickTemplatePreferencePage() {
super();
setPreferenceStore(ClickPlugin.getDefault().getPreferenceStore());
}
protected Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NULL);
composite.setLayout(new GridLayout(2, false));
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
// Initializes TableViewer
tableViewer = new TableViewer(composite,
SWT.V_SCROLL|SWT.H_SCROLL|SWT.BORDER|SWT.FULL_SELECTION);
Table table = tableViewer.getTable();
table.setHeaderVisible(true);
table.setLinesVisible(true);
table.setLayoutData(new GridData(GridData.FILL_BOTH));
TableColumn column1 = new TableColumn(table, SWT.LEFT);
column1.setText(ClickPlugin.getString("preferences.template.name"));
column1.setWidth(80);
TableColumn column2 = new TableColumn(table, SWT.LEFT);
column2.setText(ClickPlugin.getString("preferences.template.pageClass"));
column2.setWidth(100);
TableColumn column3 = new TableColumn(table, SWT.LEFT);
column3.setText(ClickPlugin.getString("preferences.template.htmlTemplate"));
column3.setWidth(100);
tableViewer.setContentProvider(new ArrayContentProvider());
tableViewer.setLabelProvider(new ITableLabelProvider(){
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
Template template = (Template)element;
switch(columnIndex){
case 0: return template.getName();
case 1: return template.getPageClass();
case 2: return template.getHtmlTemplate();
}
return null;
}
public void addListener(ILabelProviderListener listener) {
}
public void dispose() {
}
public boolean isLabelProperty(Object element, String property) {
return false;
}
public void removeListener(ILabelProviderListener listener) {
}
});
tableViewer.setInput(tableModel);
// Initializes Buttons
Composite buttons = new Composite(composite, SWT.NULL);
buttons.setLayout(new GridLayout(1, false));
GridData gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
gd.widthHint = 80;
buttons.setLayoutData(gd);
Button add = new Button(buttons, SWT.PUSH);
add.setText(ClickPlugin.getString("action.add"));
add.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
add.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent evt){
TemplateDialog dialog = new TemplateDialog(getShell());
if(dialog.open()==Dialog.OK){
tableModel.add(dialog.getTemplate());
tableViewer.refresh();
}
}
});
final Button edit = new Button(buttons, SWT.PUSH);
edit.setText(ClickPlugin.getString("action.edit"));
edit.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
edit.setEnabled(false);
edit.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent evt){
IStructuredSelection selection = (IStructuredSelection)tableViewer.getSelection();
Template template = (Template)selection.getFirstElement();
TemplateDialog dialog = new TemplateDialog(getShell(), template);
if(dialog.open()==Dialog.OK){
tableViewer.refresh();
}
}
});
final Button remove = new Button(buttons, SWT.PUSH);
remove.setText(ClickPlugin.getString("action.remove"));
remove.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
remove.setEnabled(false);
remove.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent evt){
IStructuredSelection selection = (IStructuredSelection)tableViewer.getSelection();
tableModel.removeAll(selection.toList());
tableViewer.refresh();
}
});
tableViewer.addSelectionChangedListener(new ISelectionChangedListener(){
public void selectionChanged(SelectionChangedEvent event){
if(tableViewer.getTable().getSelectionCount()==0){
edit.setEnabled(false);
remove.setEnabled(false);
} else {
edit.setEnabled(true);
remove.setEnabled(true);
}
}
});
return composite;
}
public void init(IWorkbench workbench) {
}
public boolean performOk() {
Template.saveToPreference(tableModel);
return super.performOk();
}
protected void performDefaults() {
String xml = getPreferenceStore().getDefaultString(ClickPlugin.PREF_TEMPLATES);
tableModel.clear();
tableModel.addAll(Template.loadFromXML(xml));
tableViewer.refresh();
super.performDefaults();
}
/**
* The dialog to create/edit templates.
*/
private class TemplateDialog extends Dialog {
private Text name;
private Text pageClass;
private Text htmlTemplate;
private Template template;
public TemplateDialog(Shell parentShell) {
this(parentShell, null);
}
public TemplateDialog(Shell parentShell, Template template) {
super(parentShell);
setShellStyle(getShellStyle()|SWT.RESIZE);
this.template = template;
}
protected Point getInitialSize() {
return new Point(400,350);
}
protected void createButtonsForButtonBar(Composite parent) {
super.createButtonsForButtonBar(parent);
updateButtonStatus();
}
protected Control createDialogArea(Composite parent) {
getShell().setText(ClickPlugin.getString("preferences.template"));
Composite composite = new Composite(parent, SWT.NULL);
composite.setLayout(new GridLayout(2, false));
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
ClickUtils.createLabel(composite,
ClickPlugin.getString("preferences.template.name")+":");
name = new Text(composite, SWT.BORDER);
name.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
if(template!=null){
name.setText(template.getName());
}
name.addModifyListener(new ModifyListener(){
public void modifyText(ModifyEvent e){
updateButtonStatus();
}
});
TabFolder tabFolder = new TabFolder(composite,SWT.NULL);
tabFolder.setLayoutData(ClickUtils.createGridData(2, GridData.FILL_BOTH));
// Page Class Tab
TabItem item1 = new TabItem(tabFolder,SWT.NULL);
item1.setText(ClickPlugin.getString("preferences.template.pageClass"));
Composite composite1 = new Composite(tabFolder, SWT.NULL);
composite1.setLayout(createPanelLayout());
pageClass = new Text(composite1, SWT.BORDER|SWT.MULTI|SWT.V_SCROLL);
pageClass.setLayoutData(new GridData(GridData.FILL_BOTH));
if(template!=null){
pageClass.setText(template.getPageClass());
}
ClickUtils.createLabel(composite1,
ClickPlugin.getString("preferences.template.dialog.variables"));
ClickUtils.createLabel(composite1,
"${package}, ${classname}, ${superclass}");
item1.setControl(composite1);
// HTML Template Tab
TabItem item2 = new TabItem(tabFolder,SWT.NULL);
item2.setText(ClickPlugin.getString("preferences.template.htmlTemplate"));
Composite composite2 = new Composite(tabFolder, SWT.NULL);
composite2.setLayout(createPanelLayout());
htmlTemplate = new Text(composite2, SWT.BORDER|SWT.MULTI|SWT.V_SCROLL);
htmlTemplate.setLayoutData(new GridData(GridData.FILL_BOTH));
if(template!=null){
htmlTemplate.setText(template.getHtmlTemplate());
}
ClickUtils.createLabel(composite2,
ClickPlugin.getString("preferences.template.dialog.variables"));
ClickUtils.createLabel(composite2, "${charset}");
item2.setControl(composite2);
return composite;
}
private GridLayout createPanelLayout(){
GridLayout layout = new GridLayout(1, false);
layout.marginTop = 0;
layout.marginBottom = 0;
layout.marginLeft = 0;
layout.marginRight = 0;
layout.marginWidth = 0;
layout.marginHeight = 0;
return layout;
}
private void updateButtonStatus(){
getButton(IDialogConstants.OK_ID).setEnabled(name.getText().length()>0);
}
protected void okPressed() {
if(template==null){
template = new Template();
}
template.setName(name.getText());
template.setPageClass(pageClass.getText());
template.setHtmlTemplate(htmlTemplate.getText());
super.okPressed();
}
public Template getTemplate(){
return template;
}
}
}