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/*******************************************************************************
* Copyright (c) 2004 - 2006 Mylar committers 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
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.workingset;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTreeViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskElementLabelProvider;
import org.eclipse.mylyn.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.tasks.core.ITaskListElement;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.BusyIndicator;
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.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.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkingSet;
import org.eclipse.ui.IWorkingSetManager;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.IWorkingSetPage;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
/**
* Adapted from org.eclipse.ui.internal.ide.dialogs.ResourceWorkingSetPage
*
* @author Eugene Kuleshov
*/
public class TaskWorkingSetPage extends WizardPage implements IWorkingSetPage {
private final static int SIZING_SELECTION_WIDGET_WIDTH = 50;
private final static int SIZING_SELECTION_WIDGET_HEIGHT = 200;
private Text text;
private CheckboxTreeViewer tree;
private IWorkingSet workingSet;
private boolean firstCheck = false;
public TaskWorkingSetPage() {
super("taskWorkingSetPage", //$NON-NLS-1$
"Task Working Set", null); // the icon
setDescription("Enter a working set name and select task categories/queries.");
}
@SuppressWarnings("unchecked")
public void finish() {
// List<AbstractTaskContainer> elements = getCheckedElements((List<AbstractTaskContainer>) tree.getInput());
Object[] elements = tree.getCheckedElements();
IAdaptable[] adaptables = new IAdaptable[elements.length];
for (int i = 0; i < adaptables.length; i++) {
adaptables[i] = (IAdaptable) elements[i];
}
if (workingSet == null) {
IWorkingSetManager workingSetManager = PlatformUI.getWorkbench().getWorkingSetManager();
workingSet = workingSetManager.createWorkingSet(getWorkingSetName(), adaptables);
} else {
workingSet.setName(getWorkingSetName());
workingSet.setElements(adaptables);
}
}
public IWorkingSet getSelection() {
return workingSet;
}
public void setSelection(IWorkingSet workingSet) {
this.workingSet = workingSet;
if (getShell() != null && text != null) {
firstCheck = true;
initializeCheckedState();
text.setText(workingSet.getName());
}
}
private String getWorkingSetName() {
return text.getText();
}
public void createControl(Composite parent) {
initializeDialogUnits(parent);
Composite composite = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
setControl(composite);
// PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IIDEHelpContextIds.WORKING_SET_RESOURCE_PAGE);
Label label = new Label(composite, SWT.WRAP);
label.setText(IDEWorkbenchMessages.ResourceWorkingSetPage_message);
label.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
| GridData.HORIZONTAL_ALIGN_FILL
| GridData.VERTICAL_ALIGN_CENTER));
text = new Text(composite, SWT.SINGLE | SWT.BORDER);
text.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
| GridData.HORIZONTAL_ALIGN_FILL));
text.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
validateInput();
}
});
text.setFocus();
// text.setBackground(FieldAssistColors.getRequiredFieldBackgroundColor(text));
label = new Label(composite, SWT.WRAP);
label.setText(IDEWorkbenchMessages.ResourceWorkingSetPage_label_tree);
label.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
| GridData.HORIZONTAL_ALIGN_FILL
| GridData.VERTICAL_ALIGN_CENTER));
tree = new CheckboxTreeViewer(composite);
tree.setUseHashlookup(true);
final ITreeContentProvider treeContentProvider = new ITreeContentProvider() {
@SuppressWarnings("unchecked")
public Object[] getChildren(Object parentElement) {
if(parentElement instanceof List) {
List containers = (List) parentElement;
return containers.toArray(new Object[containers.size()]);
}
return new Object[0];
}
@SuppressWarnings("unchecked")
public boolean hasChildren(Object element) {
return getChildren(element).length > 0;
}
public Object[] getElements(Object element) {
return getChildren(element);
}
public Object getParent(Object element) {
return null;
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
};
tree.setContentProvider(treeContentProvider);
tree.setLabelProvider(new TaskElementLabelProvider());
tree.setSorter(new ViewerSorter());
ArrayList<Object> containers = new ArrayList<Object>();
for (ITaskListElement element : (Set<ITaskListElement>) TasksUiPlugin.getTaskListManager().getTaskList().getRootElements()) {
if (element instanceof AbstractTaskContainer) {
containers.add(element);
}
}
tree.setInput(containers);
// tree.setComparator(new ResourceComparator(ResourceComparator.NAME));
GridData data = new GridData(GridData.FILL_BOTH | GridData.GRAB_VERTICAL);
data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
data.widthHint = SIZING_SELECTION_WIDGET_WIDTH;
tree.getControl().setLayoutData(data);
tree.addCheckStateListener(new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
handleCheckStateChange(event);
}
});
// tree.addTreeListener(new ITreeViewerListener() {
// public void treeCollapsed(TreeExpansionEvent event) {
// }
//
// public void treeExpanded(TreeExpansionEvent event) {
// final Object element = event.getElement();
// if (tree.getGrayed(element) == false) {
// BusyIndicator.showWhile(getShell().getDisplay(),
// new Runnable() {
// public void run() {
// setSubtreeChecked((IContainer) element,
// tree.getChecked(element), false);
// }
// });
// }
// }
// });
// Add select / deselect all buttons for bug 46669
Composite buttonComposite = new Composite(composite, SWT.NONE);
layout = new GridLayout(2, false);
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
buttonComposite.setLayout(layout);
buttonComposite.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
Button selectAllButton = new Button(buttonComposite, SWT.PUSH);
selectAllButton.setText(IDEWorkbenchMessages.ResourceWorkingSetPage_selectAll_label);
selectAllButton.setToolTipText(IDEWorkbenchMessages.ResourceWorkingSetPage_selectAll_toolTip);
selectAllButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent selectionEvent) {
tree.setCheckedElements(treeContentProvider.getElements(tree.getInput()));
validateInput();
}
});
setButtonLayoutData(selectAllButton);
Button deselectAllButton = new Button(buttonComposite, SWT.PUSH);
deselectAllButton.setText(IDEWorkbenchMessages.ResourceWorkingSetPage_deselectAll_label);
deselectAllButton.setToolTipText(IDEWorkbenchMessages.ResourceWorkingSetPage_deselectAll_toolTip);
deselectAllButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent selectionEvent) {
tree.setCheckedElements(new Object[0]);
validateInput();
}
});
setButtonLayoutData(deselectAllButton);
initializeCheckedState();
if (workingSet != null) {
text.setText(workingSet.getName());
}
setPageComplete(false);
Dialog.applyDialogFont(composite);
}
private void initializeCheckedState() {
BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
public void run() {
Object[] items = null;
if (workingSet != null) {
items = workingSet.getElements();
if (items != null) {
// see bug 191342
tree.setCheckedElements(new Object[] {});
for (Object item : items) {
if(item!=null) {
tree.setChecked(item, true);
}
}
}
}
}
});
}
protected void handleCheckStateChange(final CheckStateChangedEvent event) {
BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
public void run() {
AbstractTaskContainer element = (AbstractTaskContainer) event.getElement();
tree.setGrayed(element, false);
// boolean state = event.getChecked();
// if (element instanceof AbstractTaskContainer) {
// setSubtreeChecked((AbstractTaskContainer) element, state, true);
// }
// updateParentState(element);
validateInput();
}
});
}
protected void validateInput() {
String errorMessage = null;
String infoMessage= null;
String newText = text.getText();
if (!newText.equals(newText.trim())) {
errorMessage = "The name must not have a leading or trailing whitespace.";
} else if (firstCheck) {
firstCheck = false;
return;
}
if ("".equals(newText)) { //$NON-NLS-1$
errorMessage = "The name must not be empty.";
}
if (errorMessage == null
&& (workingSet == null || !newText.equals(workingSet.getName()))) {
IWorkingSet[] workingSets = PlatformUI.getWorkbench().getWorkingSetManager().getWorkingSets();
for (int i = 0; i < workingSets.length; i++) {
if (newText.equals(workingSets[i].getName())) {
errorMessage = "A working set with the same name already exists.";
}
}
}
if (infoMessage == null && tree.getCheckedElements().length == 0) {
infoMessage = "No categories/queries selected.";
}
setMessage(infoMessage, INFORMATION);
setErrorMessage(errorMessage);
setPageComplete(errorMessage == null);
}
}
|
