/* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2005 The ObjectStyle Group,
* and individual authors of the software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* ObjectStyle Group (http://objectstyle.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne"
* must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle"
* nor may "ObjectStyle" appear in their names without prior written
* permission of the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the ObjectStyle Group. For more
* information on the ObjectStyle Group, please see
* <http://objectstyle.org/>.
*
*/
package org.objectstyle.wolips.wooeditor.editor;
import java.io.ByteArrayInputStream;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.editors.text.TextEditor;
import org.eclipse.ui.forms.editor.FormEditor;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.part.FileEditorInput;
import org.objectstyle.wolips.baseforplugins.util.CharSetUtils;
import org.objectstyle.wolips.wodclipse.core.woo.WooModel;
import org.objectstyle.wolips.wooeditor.WooeditorPlugin;
public class WooEditor extends FormEditor {
private WooModel model;
private TextEditor myTextEditor;
private DisplayGroupPage myDisplayGroupPage;
private IResourceChangeListener resourceChangeListener;
public WooEditor() {
super();
}
@Override
public boolean isDirty() {
return (model != null && model.isDirty()) || super.isDirty();
}
@Override
protected FormToolkit createToolkit(final Display display) {
return new FormToolkit(WooeditorPlugin.getDefault().getFormColors(
display));
}
@Override
protected void addPages() {
try {
myDisplayGroupPage = new DisplayGroupPage(this, "Display Groups");
addPage(myDisplayGroupPage);
myTextEditor = new TextEditor();
IEditorInput input = this.getEditorInput();
IFile file = ((FileEditorInput) input).getFile();
if (!file.exists()) {
try {
FileEditorInput fileInput = (FileEditorInput)input;
IFileStore fileStore = EFS.getStore(fileInput.getURI());
input = new NonExistingFileEditorInput(fileStore, input.getName());
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// Disable for 4.x until a workaround is found for the CCE it causes.
// int index = addPage(myTextEditor, input);
// setPageText(index, "Source");
} catch (PartInitException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
CTabFolder ctf = (CTabFolder)getContainer();
ctf.setBorderVisible(false);
ctf.setTabPosition(SWT.TOP);
if (getPageCount() <= 1) {
ctf.setTabHeight(0);
}
}
@Override
public void doSave(final IProgressMonitor monitor) {
try {
if (myTextEditor.isDirty()
&& (getActivePage() == 1 || !model.isDirty())) {
IFile file = ((FileEditorInput)getEditorInput()).getFile();
if (!file.exists()) {
IEditorInput input = this.getEditorInput();
((FileEditorInput)input).getFile().create(
new ByteArrayInputStream(model.toString().getBytes()),
true, null);
myTextEditor.setInput(input);
}
// XXX : Should validate model before save
myTextEditor.doSave(monitor);
try {
model.doRevertToSaved();
} catch (Throwable e) {
}
myDisplayGroupPage.refresh();
} else {
model.refactor(getSite().getShell(), getSite().getWorkbenchWindow());
model.doSave();
myTextEditor.doRevertToSaved();
}
this.editorDirtyStateChanged();
} catch (Throwable e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
@Override
public void doSaveAs() {
throw new UnsupportedOperationException("doSaveAs");
}
@Override
public boolean isSaveAsAllowed() {
return false;
}
@Override
public void init(final IEditorSite site, final IEditorInput input)
throws PartInitException {
super.init(site, input);
this.getSite().getSelectionProvider().setSelection(new ISelection() {
public boolean isEmpty() {
return true;
}
});
IWorkspace workspace = ResourcesPlugin.getWorkspace();
resourceChangeListener = new IResourceChangeListener() {
public void resourceChanged(IResourceChangeEvent event) {
if (event.getDelta() == null || model == null) return;
IResourceDelta woComponentDelta = event.getDelta().findMember(
((FileEditorInput)input).getFile().getFullPath()
.removeLastSegments(1).removeTrailingSeparator());
if (woComponentDelta == null)
return;
if (woComponentDelta.getKind() != IResourceDelta.CHANGED
|| (woComponentDelta.getFlags() & IResourceDelta.ENCODING) == 0) {
return;
}
final IFolder folder = (IFolder) woComponentDelta.getResource();
try {
model.setEncoding(folder.getDefaultCharset());
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
};
workspace.addResourceChangeListener(resourceChangeListener);
}
@Override
public void dispose() {
// TODO Auto-generated method stub
super.dispose();
IWorkspace workspace = ResourcesPlugin.getWorkspace();
workspace.removeResourceChangeListener(resourceChangeListener);
}
public WooModel getModel() {
if (model == null) {
IFile file = ((FileEditorInput) this.getEditorInput()).getFile();
if (file.exists()) {
model = new WooModel(file);
model.parseModel();
} else {
model = new WooModel(this.getEditorInput());
model.parseModel();
model.setEncoding(getComponentCharset());
}
}
return model;
}
public void dropModel() {
model = null;
}
public void activateFirstPage() {
this.setActivePage(0);
}
@Override
protected void pageChange(int newPageIndex) {
super.pageChange(newPageIndex);
if (newPageIndex == 0 && myTextEditor.isDirty()) {
String editorText = myTextEditor.getDocumentProvider().getDocument(
myTextEditor.getEditorInput()).get();
try {
if (editorText != null && !editorText.equals(model.toString())) {
getModel().loadModelFromStream(
new ByteArrayInputStream(editorText.getBytes()));
getModel().parseModel();
myDisplayGroupPage.refresh();
}
} catch (Throwable e) {
e.printStackTrace();
}
} else if (newPageIndex == 1 && getModel().isDirty()) {
String modelText = model.toString();
if (modelText != null) {
myTextEditor.getDocumentProvider().getDocument(
myTextEditor.getEditorInput()).set(modelText);
}
}
}
public void setModel(WooModel model) {
this.model = model;
}
private String getComponentCharset() {
String encoding = WooModel.DEFAULT_ENCODING;
IEditorInput input = this.getEditorInput();
if (input == null || !(input instanceof IFileEditorInput)) {
return encoding;
}
IFile file = ((IFileEditorInput)input).getFile();
try {
encoding = file.getParent().getDefaultCharset();
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
encoding = CharSetUtils.encodingNameFromObjectiveC(encoding);
return encoding;
}
}