examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/CTabFolderTab.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.swt.examples.controlexample;


 import org.eclipse.swt.*;
 import org.eclipse.swt.custom.*;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.widgets.*;

 class CTabFolderTab extends Tab {
 	int lastSelectedTab = 0;

 	/* Example widgets and groups that contain them */
 	CTabFolder tabFolder1;
 	Group tabFolderGroup, itemGroup;

 	/* Style widgets added to the "Style" group */
 	Button topButton, bottomButton, flatButton, closeButton;

 	static String [] CTabItems1 = {ControlExample.getResourceString("CTabItem1_0"),
 								  ControlExample.getResourceString("CTabItem1_1"),
 								  ControlExample.getResourceString("CTabItem1_2")};

 	/* Controls and resources added to the "Fonts" group */
 	Button itemFontButton;
 	Font itemFont;

 	/* Other widgets added to the "Other" group */
 	Button setSimpleTabButton, setImageButton;

 	/**
 	 * Creates the Tab within a given instance of ControlExample.
 	 */
 	CTabFolderTab(ControlExample instance) {
 		super(instance);
 	}

 	/**
 	 * Creates the "Fonts" group.
 	 */
 	void createColorGroup () {
 		super.createColorGroup();

 		itemGroup = new Group (colorGroup, SWT.NONE);
 		itemGroup.setText (ControlExample.getResourceString ("CTab_Item_Colors"));
 		GridData data = new GridData ();
 		data.horizontalSpan = 2;
 		itemGroup.setLayoutData (data);
 		itemGroup.setLayout (new GridLayout (2, false));
 		itemFontButton = new Button (itemGroup, SWT.PUSH);
 		itemFontButton.setText(ControlExample.getResourceString("Font"));
 		itemFontButton.setLayoutData(new GridData (GridData.HORIZONTAL_ALIGN_FILL));

 		Shell shell = colorGroup.getShell ();
 		final FontDialog fontDialog = new FontDialog (shell);

 		/* Add listeners to set the colors and font */
 		itemFontButton.addSelectionListener(new SelectionAdapter () {
 			public void widgetSelected (SelectionEvent event) {
 				Font oldFont = itemFont;
 				if (oldFont == null) oldFont = tabFolder1.getItem (0).getFont ();
 				fontDialog.setFontList(oldFont.getFontData());
 				FontData fontData = fontDialog.open ();
 				if (fontData == null) return;
 				oldFont = itemFont;
 				itemFont = new Font (event.display, fontData);
 				setItemFont ();
 				setExampleWidgetSize ();
 				if (oldFont != null) oldFont.dispose ();
 			}
 		});
 		shell.addDisposeListener(new DisposeListener() {
 			public void widgetDisposed(DisposeEvent event) {
 				if (itemFont != null) itemFont.dispose();
 				itemFont = null;
 			}
 		});
 	}

 	/**
 	 * Creates the "Other" group.
 	 */
 	void createOtherGroup () {
 		super.createOtherGroup ();

 		/* Create display controls specific to this example */
 		setSimpleTabButton = new Button (otherGroup, SWT.CHECK);
 		setSimpleTabButton.setText (ControlExample.getResourceString("Set_Simple_Tabs"));
 		setSimpleTabButton.setSelection(true);
 		setImageButton = new Button (otherGroup, SWT.CHECK);
 		setImageButton.setText (ControlExample.getResourceString("Set_Image"));

 		/* Add the listeners */
 		setSimpleTabButton.addSelectionListener (new SelectionAdapter () {
 			public void widgetSelected (SelectionEvent event) {
 				setSimpleTabs();
 			}
 		});
 		setImageButton.addSelectionListener (new SelectionAdapter () {
 			public void widgetSelected (SelectionEvent event) {
 				setImages();
 			}
 		});
 	}

 	/**
 	 * Creates the "Example" group.
 	 */
 	void createExampleGroup () {
 		super.createExampleGroup ();

 		/* Create a group for the CTabFolder */
 		tabFolderGroup = new Group (exampleGroup, SWT.NONE);
 		tabFolderGroup.setLayout (new GridLayout ());
 		tabFolderGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
 		tabFolderGroup.setText ("CTabFolder");
 	}

 	/**
 	 * Creates the "Example" widgets.
 	 */
 	void createExampleWidgets () {

 		/* Compute the widget style */
 		int style = getDefaultStyle();
 		if (topButton.getSelection ()) style |= SWT.TOP;
 		if (bottomButton.getSelection ()) style |= SWT.BOTTOM;
 		if (borderButton.getSelection ()) style |= SWT.BORDER;
 		if (flatButton.getSelection ()) style |= SWT.FLAT;
 		if (closeButton.getSelection ()) style |= SWT.CLOSE;

 		/* Create the example widgets */
 		tabFolder1 = new CTabFolder (tabFolderGroup, style);
 		for (int i = 0; i < CTabItems1.length; i++) {
 			CTabItem item = new CTabItem(tabFolder1, SWT.NONE);
 			item.setText(CTabItems1[i]);
 			Text text = new Text(tabFolder1, SWT.NONE);
 			text.setText(ControlExample.getResourceString("CTabItem_content") + ": " + i);
 			item.setControl(text);
 		}
 		tabFolder1.addListener(SWT.Selection, new Listener() {
 			public void handleEvent(Event event) {
 				lastSelectedTab = tabFolder1.getSelectionIndex();
 			}
 		});
 		tabFolder1.setSelection(lastSelectedTab);
 	}

 	/**
 	 * Creates the "Style" group.
 	 */
 	void createStyleGroup() {
 		super.createStyleGroup ();

 		/* Create the extra widgets */
 		topButton = new Button (styleGroup, SWT.RADIO);
 		topButton.setText ("SWT.TOP");
 		topButton.setSelection(true);
 		bottomButton = new Button (styleGroup, SWT.RADIO);
 		bottomButton.setText ("SWT.BOTTOM");
 		borderButton = new Button (styleGroup, SWT.CHECK);
 		borderButton.setText ("SWT.BORDER");
 		flatButton = new Button (styleGroup, SWT.CHECK);
 		flatButton.setText ("SWT.FLAT");
 		flatButton.setEnabled(false);
 		closeButton = new Button (styleGroup, SWT.CHECK);
 		closeButton.setText ("SWT.CLOSE");

 		/* Add the listeners */
 		SelectionListener selectionListener = new SelectionAdapter () {
 			public void widgetSelected(SelectionEvent event) {
 				if ((event.widget.getStyle() & SWT.RADIO) != 0) {
 					if (!((Button) event.widget).getSelection ()) return;
 				}
 				recreateExampleWidgets ();
 			};
 		};
 		topButton.addSelectionListener (selectionListener);
 		bottomButton.addSelectionListener (selectionListener);
 		borderButton.addSelectionListener (selectionListener);
 		flatButton.addSelectionListener (selectionListener);
 		closeButton.addSelectionListener (selectionListener);
 		borderButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				flatButton.setEnabled(borderButton.getSelection());
 			}
 		});
 	}

 	/**
 	 * Gets the list of custom event names.
 	 *
 	 * @return an array containing custom event names
 	 */
 	String [] getCustomEventNames () {
 		return new String [] {"CTabFolderEvent"};
 	}

 	/**
 	 * Gets the "Example" widget children's items, if any.
 	 *
 	 * @return an array containing the example widget children's items
 	 */
 	Item [] getExampleWidgetItems () {
 		return tabFolder1.getItems();
 	}

 	/**
 	 * Gets the "Example" widget children.
 	 */
 	Control [] getExampleWidgets () {
 		return new Control [] {tabFolder1};
 	}

 	/**
 	 * Gets the text for the tab folder item.
 	 */
 	String getTabText () {
 		return "CTabFolder";
 	}

 	/**
 	 * Hooks the custom listener specified by eventName.
 	 */
 	void hookCustomListener (final String eventName) {
 		if (eventName == "CTabFolderEvent") {
 			tabFolder1.addCTabFolderListener (new CTabFolderAdapter () {
 				public void itemClosed (CTabFolderEvent event) {
 					log (eventName, event);
 				}
 			});
 		}
 	}

 	/**
 	 * Sets the foreground color, background color, and font
 	 * of the "Example" widgets to their default settings.
 	 * Also sets foreground and background color of the Node 1
 	 * TreeItems to default settings.
 	 */
 	void resetColorsAndFonts () {
 		super.resetColorsAndFonts ();
 		Font oldFont = font;
 		itemFont = null;
 		setItemFont ();
 		setExampleWidgetSize ();
 		if (oldFont != null) oldFont.dispose();
 	}

 	/**
 	 * Sets the state of the "Example" widgets.
 	 */
 	void setExampleWidgetState () {
 		super.setExampleWidgetState ();
 		setSimpleTabs ();
 		setImages ();
 		setItemFont ();
 		setExampleWidgetSize ();
 	}

 	/**
 	 * Sets the header visible state of the "Example" widgets.
 	 */
 	void setSimpleTabs () {
 		tabFolder1.setSimple (setSimpleTabButton.getSelection ());
 	}

 	/**
 	 * Sets an image into each item of the "Example" widgets.
 	 */
 	void setImages () {
 		boolean setImage = setImageButton.getSelection ();
 		CTabItem items[] = tabFolder1.getItems ();
 		for (int i = 0; i < items.length; i++) {
 			if (setImage) {
 				items[i].setImage (instance.images[ControlExample.ciClosedFolder]);
 			} else {
 				items[i].setImage (null);
 			}
 		}
 		setExampleWidgetSize ();
 	}

 	/**
 	 * Sets the font of CTabItem 0.
 	 */
 	void setItemFont () {
 		if (instance.startup) return;
 		tabFolder1.getItem (0).setFont (itemFont);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2004 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.swt.examples.controlexample;


	import org.eclipse.swt.*;
	import org.eclipse.swt.custom.*;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.widgets.*;

	class CTabFolderTab extends Tab {
	int lastSelectedTab = 0;

	/* Example widgets and groups that contain them */
	CTabFolder tabFolder1;
	Group tabFolderGroup, itemGroup;

	/* Style widgets added to the "Style" group */
	Button topButton, bottomButton, flatButton, closeButton;

	static String [] CTabItems1 = {ControlExample.getResourceString("CTabItem1_0"),
	ControlExample.getResourceString("CTabItem1_1"),
	ControlExample.getResourceString("CTabItem1_2")};

	/* Controls and resources added to the "Fonts" group */
	Button itemFontButton;
	Font itemFont;

	/* Other widgets added to the "Other" group */
	Button setSimpleTabButton, setImageButton;

	/**
	* Creates the Tab within a given instance of ControlExample.
	*/
	CTabFolderTab(ControlExample instance) {
	super(instance);
	}

	/**
	* Creates the "Fonts" group.
	*/
	void createColorGroup () {
	super.createColorGroup();

	itemGroup = new Group (colorGroup, SWT.NONE);
	itemGroup.setText (ControlExample.getResourceString ("CTab_Item_Colors"));
	GridData data = new GridData ();
	data.horizontalSpan = 2;
	itemGroup.setLayoutData (data);
	itemGroup.setLayout (new GridLayout (2, false));
	itemFontButton = new Button (itemGroup, SWT.PUSH);
	itemFontButton.setText(ControlExample.getResourceString("Font"));
	itemFontButton.setLayoutData(new GridData (GridData.HORIZONTAL_ALIGN_FILL));

	Shell shell = colorGroup.getShell ();
	final FontDialog fontDialog = new FontDialog (shell);

	/* Add listeners to set the colors and font */
	itemFontButton.addSelectionListener(new SelectionAdapter () {
	public void widgetSelected (SelectionEvent event) {
	Font oldFont = itemFont;
	if (oldFont == null) oldFont = tabFolder1.getItem (0).getFont ();
	fontDialog.setFontList(oldFont.getFontData());
	FontData fontData = fontDialog.open ();
	if (fontData == null) return;
	oldFont = itemFont;
	itemFont = new Font (event.display, fontData);
	setItemFont ();
	setExampleWidgetSize ();
	if (oldFont != null) oldFont.dispose ();
	}
	});
	shell.addDisposeListener(new DisposeListener() {
	public void widgetDisposed(DisposeEvent event) {
	if (itemFont != null) itemFont.dispose();
	itemFont = null;
	}
	});
	}

	/**
	* Creates the "Other" group.
	*/
	void createOtherGroup () {
	super.createOtherGroup ();

	/* Create display controls specific to this example */
	setSimpleTabButton = new Button (otherGroup, SWT.CHECK);
	setSimpleTabButton.setText (ControlExample.getResourceString("Set_Simple_Tabs"));
	setSimpleTabButton.setSelection(true);
	setImageButton = new Button (otherGroup, SWT.CHECK);
	setImageButton.setText (ControlExample.getResourceString("Set_Image"));

	/* Add the listeners */
	setSimpleTabButton.addSelectionListener (new SelectionAdapter () {
	public void widgetSelected (SelectionEvent event) {
	setSimpleTabs();
	}
	});
	setImageButton.addSelectionListener (new SelectionAdapter () {
	public void widgetSelected (SelectionEvent event) {
	setImages();
	}
	});
	}

	/**
	* Creates the "Example" group.
	*/
	void createExampleGroup () {
	super.createExampleGroup ();

	/* Create a group for the CTabFolder */
	tabFolderGroup = new Group (exampleGroup, SWT.NONE);
	tabFolderGroup.setLayout (new GridLayout ());
	tabFolderGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL \| GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL));
	tabFolderGroup.setText ("CTabFolder");
	}

	/**
	* Creates the "Example" widgets.
	*/
	void createExampleWidgets () {

	/* Compute the widget style */
	int style = getDefaultStyle();
	if (topButton.getSelection ()) style \|= SWT.TOP;
	if (bottomButton.getSelection ()) style \|= SWT.BOTTOM;
	if (borderButton.getSelection ()) style \|= SWT.BORDER;
	if (flatButton.getSelection ()) style \|= SWT.FLAT;
	if (closeButton.getSelection ()) style \|= SWT.CLOSE;

	/* Create the example widgets */
	tabFolder1 = new CTabFolder (tabFolderGroup, style);
	for (int i = 0; i < CTabItems1.length; i++) {
	CTabItem item = new CTabItem(tabFolder1, SWT.NONE);
	item.setText(CTabItems1[i]);
	Text text = new Text(tabFolder1, SWT.NONE);
	text.setText(ControlExample.getResourceString("CTabItem_content") + ": " + i);
	item.setControl(text);
	}
	tabFolder1.addListener(SWT.Selection, new Listener() {
	public void handleEvent(Event event) {
	lastSelectedTab = tabFolder1.getSelectionIndex();
	}
	});
	tabFolder1.setSelection(lastSelectedTab);
	}

	/**
	* Creates the "Style" group.
	*/
	void createStyleGroup() {
	super.createStyleGroup ();

	/* Create the extra widgets */
	topButton = new Button (styleGroup, SWT.RADIO);
	topButton.setText ("SWT.TOP");
	topButton.setSelection(true);
	bottomButton = new Button (styleGroup, SWT.RADIO);
	bottomButton.setText ("SWT.BOTTOM");
	borderButton = new Button (styleGroup, SWT.CHECK);
	borderButton.setText ("SWT.BORDER");
	flatButton = new Button (styleGroup, SWT.CHECK);
	flatButton.setText ("SWT.FLAT");
	flatButton.setEnabled(false);
	closeButton = new Button (styleGroup, SWT.CHECK);
	closeButton.setText ("SWT.CLOSE");

	/* Add the listeners */
	SelectionListener selectionListener = new SelectionAdapter () {
	public void widgetSelected(SelectionEvent event) {
	if ((event.widget.getStyle() & SWT.RADIO) != 0) {
	if (!((Button) event.widget).getSelection ()) return;
	}
	recreateExampleWidgets ();
	};
	};
	topButton.addSelectionListener (selectionListener);
	bottomButton.addSelectionListener (selectionListener);
	borderButton.addSelectionListener (selectionListener);
	flatButton.addSelectionListener (selectionListener);
	closeButton.addSelectionListener (selectionListener);
	borderButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	flatButton.setEnabled(borderButton.getSelection());
	}
	});
	}

	/**
	* Gets the list of custom event names.
	*
	* @return an array containing custom event names
	*/
	String [] getCustomEventNames () {
	return new String [] {"CTabFolderEvent"};
	}

	/**
	* Gets the "Example" widget children's items, if any.
	*
	* @return an array containing the example widget children's items
	*/
	Item [] getExampleWidgetItems () {
	return tabFolder1.getItems();
	}

	/**
	* Gets the "Example" widget children.
	*/
	Control [] getExampleWidgets () {
	return new Control [] {tabFolder1};
	}

	/**
	* Gets the text for the tab folder item.
	*/
	String getTabText () {
	return "CTabFolder";
	}

	/**
	* Hooks the custom listener specified by eventName.
	*/
	void hookCustomListener (final String eventName) {
	if (eventName == "CTabFolderEvent") {
	tabFolder1.addCTabFolderListener (new CTabFolderAdapter () {
	public void itemClosed (CTabFolderEvent event) {
	log (eventName, event);
	}
	});
	}
	}

	/**
	* Sets the foreground color, background color, and font
	* of the "Example" widgets to their default settings.
	* Also sets foreground and background color of the Node 1
	* TreeItems to default settings.
	*/
	void resetColorsAndFonts () {
	super.resetColorsAndFonts ();
	Font oldFont = font;
	itemFont = null;
	setItemFont ();
	setExampleWidgetSize ();
	if (oldFont != null) oldFont.dispose();
	}

	/**
	* Sets the state of the "Example" widgets.
	*/
	void setExampleWidgetState () {
	super.setExampleWidgetState ();
	setSimpleTabs ();
	setImages ();
	setItemFont ();
	setExampleWidgetSize ();
	}

	/**
	* Sets the header visible state of the "Example" widgets.
	*/
	void setSimpleTabs () {
	tabFolder1.setSimple (setSimpleTabButton.getSelection ());
	}

	/**
	* Sets an image into each item of the "Example" widgets.
	*/
	void setImages () {
	boolean setImage = setImageButton.getSelection ();
	CTabItem items[] = tabFolder1.getItems ();
	for (int i = 0; i < items.length; i++) {
	if (setImage) {
	items[i].setImage (instance.images[ControlExample.ciClosedFolder]);
	} else {
	items[i].setImage (null);
	}
	}
	setExampleWidgetSize ();
	}

	/**
	* Sets the font of CTabItem 0.
	*/
	void setItemFont () {
	if (instance.startup) return;
	tabFolder1.getItem (0).setFont (itemFont);
	}
	}