/*******************************************************************************
* Copyright (c) 2001, 2011 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.nsedit;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
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.graphics.Color;
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.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.wst.xml.core.internal.contentmodel.util.NamespaceInfo;
import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
import org.eclipse.wst.xml.ui.internal.dialogs.EditNamespaceInfoDialog;
import org.eclipse.wst.xml.ui.internal.dialogs.NamespaceInfoErrorHelper;
public class CommonEditNamespacesDialog {
protected Composite commonComposite;
protected Button deleteButton;
protected Button editButton;
protected Label errorMessageLabel;
protected int heightHint = 250;
protected List namespaceInfoList = new ArrayList();
protected Button newButton;
protected IPath resourceLocation;
private boolean showLocationText = false;
protected String tableLabel = ""; //$NON-NLS-1$
protected CommonNamespaceInfoTable tableViewer;
protected Composite topComposite;
protected boolean useGroup;
protected int widthHint = 500;
public CommonEditNamespacesDialog(Composite parent, IPath resourceLocation, String stringTableLabel) {
this(parent, resourceLocation, stringTableLabel, false, false);
}
public CommonEditNamespacesDialog(Composite parent, IPath resourceLocation, String stringTableLabel, boolean useGroup, boolean showLocText) {
this.resourceLocation = resourceLocation;
tableLabel = stringTableLabel;
this.useGroup = useGroup;
showLocationText = showLocText;
GridData gd = new GridData(GridData.FILL_BOTH);
if (widthHint != -1) {
gd.widthHint = widthHint;
}
if (heightHint != -1) {
gd.heightHint = heightHint;
}
// Set GridData and GridLayout for the parent Composite
parent.setLayoutData(gd);
parent.setLayout(new GridLayout());
// Create the top Composite
topComposite = new Composite(parent, SWT.NONE);
GridData topData = new GridData(GridData.FILL_HORIZONTAL);
topData.heightHint = 0;
topComposite.setLayoutData(topData);
topComposite.setLayout(new GridLayout());
// Create the 'common'/middle Composite
if (useGroup) {
commonComposite = new Group(parent, SWT.NONE);
}
else {
commonComposite = new Composite(parent, SWT.NONE);
}
commonComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
commonComposite.setLayout(new GridLayout(3, false));
// Add the error Message Label
errorMessageLabel = new Label(parent, SWT.NONE);
errorMessageLabel.setLayoutData(createHorizontalFill());
Color color = new Color(errorMessageLabel.getDisplay(), 200, 0, 0);
errorMessageLabel.setForeground(color);
createControlArea();
}
protected void createButtons(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayoutData(new GridData(GridData.FILL_VERTICAL));
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 1;
gridLayout.marginHeight = 0;
gridLayout.marginWidth = 0;
composite.setLayout(gridLayout);
SelectionListener selectionListener = new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (e.widget == newButton) {
performNew();
}
else if (e.widget == editButton) {
performEdit();
}
else if (e.widget == deleteButton) {
performDelete();
}
}
};
// create a composite to hold the three buttons
Composite buttonComposite = new Composite(composite, SWT.NONE);
buttonComposite.setLayoutData(createHorizontalFill());
GridLayout buttonGridLayout = new GridLayout();
// buttonGridLayout.numColumns = 3;
// buttonGridLayout.makeColumnsEqualWidth = true;
buttonComposite.setLayout(buttonGridLayout);
// add the New button
//
newButton = new Button(buttonComposite, SWT.NONE);
// newButton.setText(" " +
// XMLCommonUIPlugin.getInstance().getString("_UI_BUTTON_NEW") + " ");
newButton.setText(" " + XMLUIMessages.CommonEditNamespacesDialog_0 + " "); //$NON-NLS-1$ //$NON-NLS-2$
newButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); // ViewUtility.createHorizontalFill());
newButton.addSelectionListener(selectionListener);
// add the Edit button
//
// gd = new GridData();
// gd.horizontalAlignment = gd.FILL;
// gd.grabExcessHorizontalSpace = true;
editButton = new Button(buttonComposite, SWT.NONE);
editButton.setText(XMLUIMessages._UI_BUTTON_EDIT);
editButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); // ViewUtility.createHorizontalFill());
editButton.addSelectionListener(selectionListener);
// add the Delete button
//
// gd = new GridData();
// gd.horizontalAlignment = gd.FILL;
// gd.grabExcessHorizontalSpace = true;
deleteButton = new Button(buttonComposite, SWT.NONE);
deleteButton.setText(XMLUIMessages._UI_BUTTON_DELETE);
deleteButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); // ViewUtility.createHorizontalFill());
deleteButton.addSelectionListener(selectionListener);
}
private void createControlArea() {
if (useGroup) {
((Group) commonComposite).setText(tableLabel);
}
else {
Label label = new Label(commonComposite, SWT.NONE);
label.setText(tableLabel);
label.setLayoutData(createGridData(false, 3));
}
tableViewer = new CommonNamespaceInfoTable(commonComposite, 6, showLocationText);
tableViewer.getControl().setLayoutData(createGridData(true, 2));
createButtons(commonComposite);
tableViewer.setInput(namespaceInfoList);
updateButtonEnabledState();
ISelectionChangedListener selectionChangedListener = new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
updateButtonEnabledState();
}
};
tableViewer.addSelectionChangedListener(selectionChangedListener);
}
protected GridData createGridData(boolean both, int span) {
GridData gd = new GridData(both ? GridData.FILL_BOTH : GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 2;
return gd;
}
private GridData createHorizontalFill() {
GridData gd = new GridData();
gd.horizontalAlignment = GridData.FILL;
gd.grabExcessHorizontalSpace = true;
return gd;
}
public NamespaceInfo getNamespaceInfo(String namespace) {
NamespaceInfo result = null;
for (Iterator i = namespaceInfoList.iterator(); i.hasNext();) {
NamespaceInfo info = (NamespaceInfo) i.next();
if ((info.uri != null) && info.uri.equals(namespace)) {
result = info;
break;
}
}
return result;
}
protected Object getSelection(ISelection selection) {
if (selection == null) {
return null;
} // end of if ()
Object result = null;
if (selection instanceof IStructuredSelection) {
IStructuredSelection es = (IStructuredSelection) selection;
Iterator i = es.iterator();
if (i.hasNext()) {
result = i.next();
}
}
return result;
}
/*
* Use the returned Composite to add content above the 'common contents'.
* Note: The GridData for the returned Composite has a heightHint = 0.
* This means when using the returned Composite, the GridData must be
* reset, else the Composite and it's contents will not appear.
*/
protected Composite getTopComposite() {
return topComposite;
}
protected EditNamespaceInfoDialog invokeDialog(String title, NamespaceInfo info) {
EditNamespaceInfoDialog dialog = new EditNamespaceInfoDialog(topComposite.getShell(), info);
dialog.create();
dialog.getShell().setText(title);
dialog.setBlockOnOpen(true);
dialog.setResourceLocation(resourceLocation);
dialog.open();
return dialog;
}
protected void performDelayedUpdate() {
tableViewer.refresh();
/*
* Runnable delayedUpdate = new Runnable() { public void run() {
* tableViewer.refresh(); } };
* Display.getCurrent().asyncExec(delayedUpdate);
*/
// if (updateListener != null)
// {
// updateListener.updateOccured(this, namespaceInfoList);
// }
}
public void performDelete() {
ISelection selection = tableViewer.getSelection();
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
namespaceInfoList.removeAll(structuredSelection.toList());
updateErrorMessage(namespaceInfoList);
performDelayedUpdate();
}
}
public void performEdit() {
Object selection = getSelection(tableViewer.getSelection());
if (selection != null) {
invokeDialog(XMLUIMessages._UI_LABEL_NEW_NAMESPACE_INFORMATION, (NamespaceInfo) selection);
updateErrorMessage(namespaceInfoList);
performDelayedUpdate();
}
}
public void performNew() {
CommonAddNamespacesDialog dialog = new CommonAddNamespacesDialog(topComposite.getShell(), XMLUIMessages._UI_ADD_NAMESPACE_DECLARATIONS, resourceLocation, namespaceInfoList);
dialog.createAndOpen();
if (dialog.getReturnCode() == Window.OK) {
namespaceInfoList.addAll(dialog.getNamespaceInfoList());
updateErrorMessage(namespaceInfoList);
performDelayedUpdate();
}
}
public void setNamespaceInfoList(List list) {
namespaceInfoList = list;
tableViewer.setInput(namespaceInfoList);
}
public void updateButtonEnabledState() {
Object selection = getSelection(tableViewer.getSelection());
NamespaceInfo info = (NamespaceInfo) selection;
editButton.setEnabled(info != null);
deleteButton.setEnabled((info != null) && (info.getProperty("unremovable") == null)); //$NON-NLS-1$
}
public void updateErrorMessage(List namespaceInfoList) {
NamespaceInfoErrorHelper helper = new NamespaceInfoErrorHelper();
String errorMessage = helper.computeErrorMessage(namespaceInfoList, null);
errorMessageLabel.setText(errorMessage != null ? errorMessage : ""); //$NON-NLS-1$
}
public void setResourcePath(IPath path) {
resourceLocation = path;
}
}