bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/ActionSetSelectionDialog.java - platform/eclipse.platform.ui - Git at Google

 package org.eclipse.ui.internal.dialogs;

 /*
  * (c) Copyright IBM Corp. 2000, 2002. All Rights Reserved.
  * Contributors:  Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog
  * font should be activated and used by other components.
  */
 import java.util.ArrayList;
 import java.util.Iterator;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.ui.internal.*;
 import org.eclipse.ui.internal.registry.*;
 import org.eclipse.ui.model.*;

 /**
  * Dialog to display the available action sets, and
  * solicits a list of selections from the user.
  */
 public class ActionSetSelectionDialog extends Dialog {
 	// input data.
 	private Perspective perspective;
 	private ActionSetDialogInput input;

 	// widgets.
 	private CheckboxTreeViewer actionSetViewer;
 	private Label actionLabel;
 	private TableViewer actionViewer;

 	// sizing constants
 	private final static int SIZING_SELECTION_WIDGET_HEIGHT = 300;
 	private final static int SIZING_SELECTION_WIDGET_WIDTH = 300;
 /**
  * Creates an action set selection dialog.
  */
 public ActionSetSelectionDialog(
 		Shell parentShell,
 		Perspective persp)
 {
 	super(parentShell);
 	perspective = persp;
 	input = new ActionSetDialogInput();
 }
 /**
  * Visually checks the previously-specified elements.
  */
 private void checkInitialSelections() {
 	IActionSetDescriptor [] actionSets = perspective.getActionSets();
 	if (actionSets != null) {
 		for (int i = 0; i < actionSets.length; i++)
 			actionSetViewer.setChecked(actionSets[i],true);
 	}

 	ArrayList actions = perspective.getShowViewActionIds();
 	if (actions != null) {
 		for (int nX = 0; nX < actions.size(); nX ++) {
 			String id = (String)actions.get(nX);
 			actionSetViewer.setChecked(input.getViewActionSet(id), true);
 		}
 	}

 	actions = perspective.getPerspectiveActionIds();
 	if (actions != null) {
 		for (int nX = 0; nX < actions.size(); nX ++) {
 			String id = (String)actions.get(nX);
 			actionSetViewer.setChecked(input.getPerspectiveActionSet(id), true);
 		}
 	}

 	actions = perspective.getNewWizardActionIds();
 	if (actions != null) {
 		for (int nX = 0; nX < actions.size(); nX ++) {
 			String id = (String)actions.get(nX);
 			actionSetViewer.setChecked(input.getWizardActionSet(id), true);
 		}
 	}

 	Object[] categories = input.getCategories();
 	for (int i = 0; i < categories.length; i++) {
 		ActionSetCategory cat = (ActionSetCategory)categories[i];
 		ArrayList sets = cat.getActionSets();
 		if (sets != null && sets.size() > 0) {
 			boolean baseChildState = actionSetViewer.getChecked(sets.get(0));
 			updateCategoryState(cat, baseChildState);
 		}
 	}
 }
 /* (non-Javadoc)
  * Method declared in Window.
  */
 protected void configureShell(Shell shell) {
 	super.configureShell(shell);
 	shell.setText(WorkbenchMessages.getString("ActionSetSelection.customize")); //$NON-NLS-1$
 	WorkbenchHelp.setHelp(shell, IHelpContextIds.ACTION_SET_SELECTION_DIALOG);
 }
 /* (non-Javadoc)
  * Method declared on Dialog.
  */
 protected Control createDialogArea(Composite parent) {
 	Composite composite = (Composite)super.createDialogArea(parent);
 	GridLayout layout = (GridLayout)composite.getLayout();
 	layout.numColumns = 2;
 	layout.makeColumnsEqualWidth = true;

 	GridData data;
 	Font font = parent.getFont();

 	// description
 	Label descLabel = new Label(composite, SWT.WRAP);
 	descLabel.setText(WorkbenchMessages.format("ActionSetSelection.selectLabel", new Object[] {perspective.getDesc().getLabel()})); //$NON-NLS-1$
 	descLabel.setFont(font);
 	data = new GridData(GridData.FILL_HORIZONTAL);
 	data.horizontalSpan = 2;
 	descLabel.setLayoutData(data);

 	// Setup the action set list selection...
 	// ...first a composite group
 	Composite actionSetGroup = new Composite(composite, SWT.NONE);
 	layout = new GridLayout();
 	layout.marginHeight = 0;
 	layout.marginWidth = 0;
 	actionSetGroup.setLayout(layout);
 	data = new GridData(GridData.FILL_BOTH);
 	actionSetGroup.setLayoutData(data);
 	actionSetGroup.setFont(font);

 	// ...second the label
 	Label selectionLabel = new Label(actionSetGroup,SWT.NONE);
 	selectionLabel.setText(WorkbenchMessages.getString("ActionSetSelection.available")); //$NON-NLS-1$
 	selectionLabel.setFont(font);

 	// ...third the checkbox list
 	actionSetViewer = new CheckboxTreeViewer(actionSetGroup, SWT.BORDER);
 	data = new GridData(GridData.FILL_BOTH);
 	data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
 	data.widthHint = SIZING_SELECTION_WIDGET_WIDTH;
 	actionSetViewer.getTree().setLayoutData(data);
 	actionSetViewer.getTree().setFont(font);
 	actionSetViewer.setLabelProvider(new ActionSetLabelProvider());
 	actionSetViewer.setContentProvider(new ActionSetContentProvider());
 	actionSetViewer.setInput(input);
 	actionSetViewer.setSorter(new ActionSetSorter());
 	actionSetViewer.addSelectionChangedListener(
 		new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				IStructuredSelection sel = (IStructuredSelection)event.getSelection();
 				IActionSetDescriptor actionSet = null;
 				if (sel.getFirstElement() instanceof IActionSetDescriptor)
 					actionSet = (IActionSetDescriptor)sel.getFirstElement();
 				if (actionSet != actionViewer.getInput()) {
 					actionViewer.setInput(actionSet);
 				}
 			}
 		});
 	actionSetViewer.addCheckStateListener(new ICheckStateListener() {
 		public void checkStateChanged(CheckStateChangedEvent event) {
 			handleActionSetChecked(event);
 		}
 	});

 	// Setup the action list for the action set selected...
 	// ...first a composite group
 	Composite actionGroup = new Composite(composite, SWT.NONE);
 	layout = new GridLayout();
 	layout.marginHeight = 0;
 	layout.marginWidth = 0;
 	actionGroup.setLayout(layout);
 	data = new GridData(GridData.FILL_BOTH);
 	actionGroup.setLayoutData(data);
 	actionGroup.setFont(font);

 	// ...second the label
 	actionLabel = new Label(actionGroup, SWT.NONE);
 	actionLabel.setText(WorkbenchMessages.getString("ActionSetSelection.details")); //$NON-NLS-1$
 	actionLabel.setFont(font);

 	// ...third the list of actions
 	Table actionTable = new Table(actionGroup, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
 	actionTable.setBackground(WorkbenchColors.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
 	data = new GridData(GridData.FILL_BOTH);
 	data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
 	data.widthHint = SIZING_SELECTION_WIDGET_WIDTH;
 	actionTable.setLayoutData(data);
 	actionTable.setFont(font);

 	actionViewer = new TableViewer(actionTable);
 	actionViewer.setLabelProvider(new WorkbenchLabelProvider());
 	actionViewer.setContentProvider(new WorkbenchContentProvider());
 	actionViewer.setSorter(new WorkbenchViewerSorter());

 	// initialize page
 	checkInitialSelections();

 	return composite;
 }
 /**
  * Checked event handler for the action set tree.
  */
 private void handleActionSetChecked(CheckStateChangedEvent event) {
 	// On action set category check/uncheck. Category can be
 	// in three states:
 	//		1) all children unchecked -> category unchecked
 	//		2) some children checked  -> category checked & grayed
 	//		3) all children checked   -> category checked
 	if (event.getElement() instanceof ActionSetCategory) {
 		// On check, check all its children also
 		if (event.getChecked()) {
 			actionSetViewer.setSubtreeChecked(event.getElement(), true);
 			return;
 		}
 		// On uncheck & gray, remain check but ungray
 		// and check all its children
 		if (actionSetViewer.getGrayed(event.getElement())) {
 			actionSetViewer.setChecked(event.getElement(), true);
 			actionSetViewer.setGrayed(event.getElement(), false);
 			actionSetViewer.setSubtreeChecked(event.getElement(), true);
 			return;
 		}
 		// On uncheck & not gray, uncheck all its children
 		actionSetViewer.setSubtreeChecked(event.getElement(), false);
 		return;
 	}

 	// On action set check/uncheck
 	if (event.getElement() instanceof IActionSetDescriptor) {
 		IActionSetDescriptor desc = (IActionSetDescriptor)event.getElement();
 		ActionSetCategory cat = input.findCategory(desc.getCategory());
 		updateCategoryState(cat, event.getChecked());
 		return;
 	}
 }
 /**
  * The <code>ActionSetSelectionDialog</code> implementation of this
  * <code>Dialog</code> method builds a list of the selected elements for later
  * retrieval by the client and closes this dialog.
  */
 protected void okPressed() {
 	// Prepare result arrays.
 	ArrayList actionSets = new ArrayList();
 	ArrayList viewActions = new ArrayList();
 	ArrayList perspActions = new ArrayList();
 	ArrayList wizardActions = new ArrayList();

 	// Fill result arrays.
 	Object[] selected = actionSetViewer.getCheckedElements();
 	for (int nX = 0; nX < selected.length; nX ++) {
 		Object obj = selected[nX];
 		if (obj instanceof FakeViewActionSet) {
 			viewActions.add(((FakeViewActionSet)obj).getView().getID());
 		} else if (obj instanceof FakePerspectiveActionSet) {
 			perspActions.add(((FakePerspectiveActionSet)obj).getPerspective().getId());
 		} else if (obj instanceof FakeWizardActionSet) {
 			wizardActions.add(((FakeWizardActionSet)obj).getWizard().getID());
 		} else if (obj instanceof ActionSetDescriptor) {
 			actionSets.add(obj);
 		}
 	}

 	perspective.setShowViewActionIds(viewActions);
 	perspective.setPerspectiveActionIds(perspActions);
 	perspective.setNewWizardActionIds(wizardActions);

 	IActionSetDescriptor [] actionSetArray = new IActionSetDescriptor[actionSets.size()];
 	actionSetArray = (IActionSetDescriptor [])actionSets.toArray(actionSetArray);
 	perspective.setActionSets(actionSetArray);

 	super.okPressed();
 }
 /**
  * Update the check and gray state of a category
  * Category can be in three states:
  * 	1) all children uncheck -> category uncheck
  * 	2) some children check  -> category check & gray
  * 	3) all children check   -> category check
  */
 private void updateCategoryState(ActionSetCategory cat, boolean baseChildState) {
 	// Check if all the action sets of the category are all
 	// in the same state at the action set of the event
 	boolean allSameState = true;
 	Iterator enum = cat.getActionSets().iterator();
 	while (enum.hasNext()) {
 		if (actionSetViewer.getChecked(enum.next()) != baseChildState) {
 			allSameState = false;
 			break;
 		}
 	}

 	// On all the same state, ungray the category and
 	// set the category's state to be the same
 	if (allSameState) {
 		actionSetViewer.setGrayed(cat, false);
 		actionSetViewer.setChecked(cat, baseChildState);
 		return;
 	}

 	// On all different state, gray the category and
 	// check the category
 	actionSetViewer.setGrayed(cat, true);
 	actionSetViewer.setChecked(cat, true);
 	return;
 }
 }
	package org.eclipse.ui.internal.dialogs;

	/*
	* (c) Copyright IBM Corp. 2000, 2002. All Rights Reserved.
	* Contributors: Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog
	* font should be activated and used by other components.
	*/
	import java.util.ArrayList;
	import java.util.Iterator;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.ui.internal.*;
	import org.eclipse.ui.internal.registry.*;
	import org.eclipse.ui.model.*;

	/**
	* Dialog to display the available action sets, and
	* solicits a list of selections from the user.
	*/
	public class ActionSetSelectionDialog extends Dialog {
	// input data.
	private Perspective perspective;
	private ActionSetDialogInput input;

	// widgets.
	private CheckboxTreeViewer actionSetViewer;
	private Label actionLabel;
	private TableViewer actionViewer;

	// sizing constants
	private final static int SIZING_SELECTION_WIDGET_HEIGHT = 300;
	private final static int SIZING_SELECTION_WIDGET_WIDTH = 300;
	/**
	* Creates an action set selection dialog.
	*/
	public ActionSetSelectionDialog(
	Shell parentShell,
	Perspective persp)
	{
	super(parentShell);
	perspective = persp;
	input = new ActionSetDialogInput();
	}
	/**
	* Visually checks the previously-specified elements.
	*/
	private void checkInitialSelections() {
	IActionSetDescriptor [] actionSets = perspective.getActionSets();
	if (actionSets != null) {
	for (int i = 0; i < actionSets.length; i++)
	actionSetViewer.setChecked(actionSets[i],true);
	}

	ArrayList actions = perspective.getShowViewActionIds();
	if (actions != null) {
	for (int nX = 0; nX < actions.size(); nX ++) {
	String id = (String)actions.get(nX);
	actionSetViewer.setChecked(input.getViewActionSet(id), true);
	}
	}

	actions = perspective.getPerspectiveActionIds();
	if (actions != null) {
	for (int nX = 0; nX < actions.size(); nX ++) {
	String id = (String)actions.get(nX);
	actionSetViewer.setChecked(input.getPerspectiveActionSet(id), true);
	}
	}

	actions = perspective.getNewWizardActionIds();
	if (actions != null) {
	for (int nX = 0; nX < actions.size(); nX ++) {
	String id = (String)actions.get(nX);
	actionSetViewer.setChecked(input.getWizardActionSet(id), true);
	}
	}

	Object[] categories = input.getCategories();
	for (int i = 0; i < categories.length; i++) {
	ActionSetCategory cat = (ActionSetCategory)categories[i];
	ArrayList sets = cat.getActionSets();
	if (sets != null && sets.size() > 0) {
	boolean baseChildState = actionSetViewer.getChecked(sets.get(0));
	updateCategoryState(cat, baseChildState);
	}
	}
	}
	/* (non-Javadoc)
	* Method declared in Window.
	*/
	protected void configureShell(Shell shell) {
	super.configureShell(shell);
	shell.setText(WorkbenchMessages.getString("ActionSetSelection.customize")); //$NON-NLS-1$
	WorkbenchHelp.setHelp(shell, IHelpContextIds.ACTION_SET_SELECTION_DIALOG);
	}
	/* (non-Javadoc)
	* Method declared on Dialog.
	*/
	protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite)super.createDialogArea(parent);
	GridLayout layout = (GridLayout)composite.getLayout();
	layout.numColumns = 2;
	layout.makeColumnsEqualWidth = true;

	GridData data;
	Font font = parent.getFont();

	// description
	Label descLabel = new Label(composite, SWT.WRAP);
	descLabel.setText(WorkbenchMessages.format("ActionSetSelection.selectLabel", new Object[] {perspective.getDesc().getLabel()})); //$NON-NLS-1$
	descLabel.setFont(font);
	data = new GridData(GridData.FILL_HORIZONTAL);
	data.horizontalSpan = 2;
	descLabel.setLayoutData(data);

	// Setup the action set list selection...
	// ...first a composite group
	Composite actionSetGroup = new Composite(composite, SWT.NONE);
	layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	actionSetGroup.setLayout(layout);
	data = new GridData(GridData.FILL_BOTH);
	actionSetGroup.setLayoutData(data);
	actionSetGroup.setFont(font);

	// ...second the label
	Label selectionLabel = new Label(actionSetGroup,SWT.NONE);
	selectionLabel.setText(WorkbenchMessages.getString("ActionSetSelection.available")); //$NON-NLS-1$
	selectionLabel.setFont(font);

	// ...third the checkbox list
	actionSetViewer = new CheckboxTreeViewer(actionSetGroup, SWT.BORDER);
	data = new GridData(GridData.FILL_BOTH);
	data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
	data.widthHint = SIZING_SELECTION_WIDGET_WIDTH;
	actionSetViewer.getTree().setLayoutData(data);
	actionSetViewer.getTree().setFont(font);
	actionSetViewer.setLabelProvider(new ActionSetLabelProvider());
	actionSetViewer.setContentProvider(new ActionSetContentProvider());
	actionSetViewer.setInput(input);
	actionSetViewer.setSorter(new ActionSetSorter());
	actionSetViewer.addSelectionChangedListener(
	new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	IStructuredSelection sel = (IStructuredSelection)event.getSelection();
	IActionSetDescriptor actionSet = null;
	if (sel.getFirstElement() instanceof IActionSetDescriptor)
	actionSet = (IActionSetDescriptor)sel.getFirstElement();
	if (actionSet != actionViewer.getInput()) {
	actionViewer.setInput(actionSet);
	}
	}
	});
	actionSetViewer.addCheckStateListener(new ICheckStateListener() {
	public void checkStateChanged(CheckStateChangedEvent event) {
	handleActionSetChecked(event);
	}
	});

	// Setup the action list for the action set selected...
	// ...first a composite group
	Composite actionGroup = new Composite(composite, SWT.NONE);
	layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	actionGroup.setLayout(layout);
	data = new GridData(GridData.FILL_BOTH);
	actionGroup.setLayoutData(data);
	actionGroup.setFont(font);

	// ...second the label
	actionLabel = new Label(actionGroup, SWT.NONE);
	actionLabel.setText(WorkbenchMessages.getString("ActionSetSelection.details")); //$NON-NLS-1$
	actionLabel.setFont(font);

	// ...third the list of actions
	Table actionTable = new Table(actionGroup, SWT.BORDER \| SWT.H_SCROLL \| SWT.V_SCROLL);
	actionTable.setBackground(WorkbenchColors.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
	data = new GridData(GridData.FILL_BOTH);
	data.heightHint = SIZING_SELECTION_WIDGET_HEIGHT;
	data.widthHint = SIZING_SELECTION_WIDGET_WIDTH;
	actionTable.setLayoutData(data);
	actionTable.setFont(font);

	actionViewer = new TableViewer(actionTable);
	actionViewer.setLabelProvider(new WorkbenchLabelProvider());
	actionViewer.setContentProvider(new WorkbenchContentProvider());
	actionViewer.setSorter(new WorkbenchViewerSorter());

	// initialize page
	checkInitialSelections();

	return composite;
	}
	/**
	* Checked event handler for the action set tree.
	*/
	private void handleActionSetChecked(CheckStateChangedEvent event) {
	// On action set category check/uncheck. Category can be
	// in three states:
	// 1) all children unchecked -> category unchecked
	// 2) some children checked -> category checked & grayed
	// 3) all children checked -> category checked
	if (event.getElement() instanceof ActionSetCategory) {
	// On check, check all its children also
	if (event.getChecked()) {
	actionSetViewer.setSubtreeChecked(event.getElement(), true);
	return;
	}
	// On uncheck & gray, remain check but ungray
	// and check all its children
	if (actionSetViewer.getGrayed(event.getElement())) {
	actionSetViewer.setChecked(event.getElement(), true);
	actionSetViewer.setGrayed(event.getElement(), false);
	actionSetViewer.setSubtreeChecked(event.getElement(), true);
	return;
	}
	// On uncheck & not gray, uncheck all its children
	actionSetViewer.setSubtreeChecked(event.getElement(), false);
	return;
	}

	// On action set check/uncheck
	if (event.getElement() instanceof IActionSetDescriptor) {
	IActionSetDescriptor desc = (IActionSetDescriptor)event.getElement();
	ActionSetCategory cat = input.findCategory(desc.getCategory());
	updateCategoryState(cat, event.getChecked());
	return;
	}
	}
	/**
	* The <code>ActionSetSelectionDialog</code> implementation of this
	* <code>Dialog</code> method builds a list of the selected elements for later
	* retrieval by the client and closes this dialog.
	*/
	protected void okPressed() {
	// Prepare result arrays.
	ArrayList actionSets = new ArrayList();
	ArrayList viewActions = new ArrayList();
	ArrayList perspActions = new ArrayList();
	ArrayList wizardActions = new ArrayList();

	// Fill result arrays.
	Object[] selected = actionSetViewer.getCheckedElements();
	for (int nX = 0; nX < selected.length; nX ++) {
	Object obj = selected[nX];
	if (obj instanceof FakeViewActionSet) {
	viewActions.add(((FakeViewActionSet)obj).getView().getID());
	} else if (obj instanceof FakePerspectiveActionSet) {
	perspActions.add(((FakePerspectiveActionSet)obj).getPerspective().getId());
	} else if (obj instanceof FakeWizardActionSet) {
	wizardActions.add(((FakeWizardActionSet)obj).getWizard().getID());
	} else if (obj instanceof ActionSetDescriptor) {
	actionSets.add(obj);
	}
	}

	perspective.setShowViewActionIds(viewActions);
	perspective.setPerspectiveActionIds(perspActions);
	perspective.setNewWizardActionIds(wizardActions);

	IActionSetDescriptor [] actionSetArray = new IActionSetDescriptor[actionSets.size()];
	actionSetArray = (IActionSetDescriptor [])actionSets.toArray(actionSetArray);
	perspective.setActionSets(actionSetArray);

	super.okPressed();
	}
	/**
	* Update the check and gray state of a category
	* Category can be in three states:
	* 1) all children uncheck -> category uncheck
	* 2) some children check -> category check & gray
	* 3) all children check -> category check
	*/
	private void updateCategoryState(ActionSetCategory cat, boolean baseChildState) {
	// Check if all the action sets of the category are all
	// in the same state at the action set of the event
	boolean allSameState = true;
	Iterator enum = cat.getActionSets().iterator();
	while (enum.hasNext()) {
	if (actionSetViewer.getChecked(enum.next()) != baseChildState) {
	allSameState = false;
	break;
	}
	}

	// On all the same state, ungray the category and
	// set the category's state to be the same
	if (allSameState) {
	actionSetViewer.setGrayed(cat, false);
	actionSetViewer.setChecked(cat, baseChildState);
	return;
	}

	// On all different state, gray the category and
	// check the category
	actionSetViewer.setGrayed(cat, true);
	actionSetViewer.setChecked(cat, true);
	return;
	}
	}