/*******************************************************************************
* Copyright (c) 2009, 2010 Innovation Gate GmbH.
* 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:
* Innovation Gate GmbH - initial API and implementation
******************************************************************************/
package de.innovationgate.eclipse.wgadesigner.dialogs;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.dialogs.SelectionStatusDialog;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import de.innovationgate.eclipse.utils.wga.WGADesignStructureHelper;
import de.innovationgate.eclipse.wgadesigner.WGADesignerPlugin;
import de.innovationgate.eclipse.wgadesigner.editors.helpers.WGADesignViewerFilter;
public class ChangeDirlinkTargetDialog extends SelectionStatusDialog {
private TreeViewer _treeViewer;
private IFolder _selectedFolder;
private IContainer _target;
class NameSorter extends ViewerSorter {
public int compare(Viewer viewer, Object e1, Object e2) {
if (e1 instanceof IContainer && e2 instanceof IContainer) {
IContainer ct1 = (IContainer) e1;
IContainer ct2 = (IContainer) e2;
return ct1.getName().toLowerCase().compareTo(ct2.getName().toLowerCase());
}
return 0;
}
}
public ChangeDirlinkTargetDialog(Shell parent, IFolder selection) {
super(parent);
_selectedFolder = selection;
setHelpAvailable(false);
setTitle("Select an external Design");
}
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
composite.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
GridLayout layout = new GridLayout(3, false);
composite.setLayout(layout);
Label messageLabel = createMessageArea(composite);
_treeViewer = createTreeViewer(composite);
GridData gridDataLabel = new GridData(GridData.FILL_HORIZONTAL);
gridDataLabel.horizontalSpan = 3;
messageLabel.setLayoutData(gridDataLabel);
GridData gridDataTree = new GridData(GridData.FILL_BOTH);
gridDataTree.horizontalSpan = 3;
gridDataTree.widthHint = convertWidthInCharsToPixels(80);
gridDataTree.heightHint = convertHeightInCharsToPixels(20);
Tree treeWidget = _treeViewer.getTree();
treeWidget.setLayoutData(gridDataTree);
return composite;
}
protected TreeViewer createTreeViewer(Composite parent) {
int style = SWT.BORDER | (false ? SWT.MULTI : SWT.SINGLE);
TreeViewer tableViewer = new TreeViewer(new Tree(parent, style));
tableViewer.setContentProvider(new WorkbenchContentProvider());
tableViewer.setLabelProvider(WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider());
tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
updateOKStatus();
}
});
tableViewer.setComparator(new NameSorter());
tableViewer.addFilter((ViewerFilter) new WGADesignViewerFilter(null));
IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
tableViewer.setInput(workspaceRoot);
return tableViewer;
}
protected void computeResult() {
WGADesignStructureHelper.changeDirLink(_selectedFolder, _target);
}
protected void updateOKStatus() {
updateStatus(new Status(Status.ERROR, WGADesignerPlugin.PLUGIN_ID, "Please select a Design or Plugin"));
if (_treeViewer.getTree().getSelection().length>0 && _treeViewer.getTree().getSelection()[0] != null) {
IContainer treeSelection = (IContainer) _treeViewer.getTree().getSelection()[0].getData();
if (WGADesignStructureHelper.isDesignFolder(treeSelection)) {
_target = treeSelection;
updateStatus(new Status(Status.OK, WGADesignerPlugin.PLUGIN_ID, ""));
}
}
}
}