| /******************************************************************************* |
| * 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 Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-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 */ |
| static final int SELECTION_FOREGROUND_COLOR = 3; |
| static final int SELECTION_BACKGROUND_COLOR = 4; |
| static final int ITEM_FONT = 5; |
| Color selectionForegroundColor, selectionBackgroundColor; |
| Font itemFont; |
| |
| /* Other widgets added to the "Other" group */ |
| Button simpleTabButton, singleTabButton, imageButton, showMinButton, showMaxButton, unselectedCloseButton, unselectedImageButton; |
| |
| /** |
| * Creates the Tab within a given instance of ControlExample. |
| */ |
| CTabFolderTab(ControlExample instance) { |
| super(instance); |
| } |
| |
| /** |
| * Creates the "Colors and Fonts" group. |
| */ |
| void createColorAndFontGroup () { |
| super.createColorAndFontGroup(); |
| |
| TableItem item = new TableItem(colorAndFontTable, SWT.None); |
| item.setText(ControlExample.getResourceString ("Selection_Foreground_Color")); |
| item = new TableItem(colorAndFontTable, SWT.None); |
| item.setText(ControlExample.getResourceString ("Selection_Background_Color")); |
| item = new TableItem(colorAndFontTable, SWT.None); |
| item.setText(ControlExample.getResourceString ("Item_Font")); |
| |
| shell.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent event) { |
| if (selectionBackgroundColor != null) selectionBackgroundColor.dispose(); |
| if (selectionForegroundColor != null) selectionForegroundColor.dispose(); |
| if (itemFont != null) itemFont.dispose(); |
| selectionBackgroundColor = null; |
| selectionForegroundColor = null; |
| itemFont = null; |
| } |
| }); |
| } |
| |
| void changeFontOrColor(int index) { |
| switch (index) { |
| case SELECTION_FOREGROUND_COLOR: { |
| Color oldColor = selectionForegroundColor; |
| if (oldColor == null) oldColor = tabFolder1.getSelectionForeground(); |
| colorDialog.setRGB(oldColor.getRGB()); |
| RGB rgb = colorDialog.open(); |
| if (rgb == null) return; |
| oldColor = selectionForegroundColor; |
| selectionForegroundColor = new Color (display, rgb); |
| setSelectionForeground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| break; |
| case SELECTION_BACKGROUND_COLOR: { |
| Color oldColor = selectionBackgroundColor; |
| if (oldColor == null) oldColor = tabFolder1.getSelectionBackground(); |
| colorDialog.setRGB(oldColor.getRGB()); |
| RGB rgb = colorDialog.open(); |
| if (rgb == null) return; |
| oldColor = selectionBackgroundColor; |
| selectionBackgroundColor = new Color (display, rgb); |
| setSelectionBackground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| break; |
| case ITEM_FONT: { |
| 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 (display, fontData); |
| setItemFont (); |
| setExampleWidgetSize (); |
| if (oldFont != null) oldFont.dispose (); |
| } |
| break; |
| default: |
| super.changeFontOrColor(index); |
| } |
| } |
| |
| /** |
| * Creates the "Other" group. |
| */ |
| void createOtherGroup () { |
| super.createOtherGroup (); |
| |
| /* Create display controls specific to this example */ |
| simpleTabButton = new Button (otherGroup, SWT.CHECK); |
| simpleTabButton.setText (ControlExample.getResourceString("Set_Simple_Tabs")); |
| simpleTabButton.setSelection(true); |
| simpleTabButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setSimpleTabs(); |
| } |
| }); |
| |
| singleTabButton = new Button (otherGroup, SWT.CHECK); |
| singleTabButton.setText (ControlExample.getResourceString("Set_Single_Tabs")); |
| singleTabButton.setSelection(false); |
| singleTabButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setSingleTabs(); |
| } |
| }); |
| |
| showMinButton = new Button (otherGroup, SWT.CHECK); |
| showMinButton.setText (ControlExample.getResourceString("Set_Min_Visible")); |
| showMinButton.setSelection(false); |
| showMinButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setMinimizeVisible(); |
| } |
| }); |
| |
| showMaxButton = new Button (otherGroup, SWT.CHECK); |
| showMaxButton.setText (ControlExample.getResourceString("Set_Max_Visible")); |
| showMaxButton.setSelection(false); |
| showMaxButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setMaximizeVisible(); |
| } |
| }); |
| |
| imageButton = new Button (otherGroup, SWT.CHECK); |
| imageButton.setText (ControlExample.getResourceString("Set_Image")); |
| imageButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setImages(); |
| } |
| }); |
| |
| unselectedImageButton = new Button (otherGroup, SWT.CHECK); |
| unselectedImageButton.setText (ControlExample.getResourceString("Set_Unselected_Image_Visible")); |
| unselectedImageButton.setSelection(true); |
| unselectedImageButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setUnselectedImageVisible(); |
| } |
| }); |
| unselectedCloseButton = new Button (otherGroup, SWT.CHECK); |
| unselectedCloseButton.setText (ControlExample.getResourceString("Set_Unselected_Close_Visible")); |
| unselectedCloseButton.setSelection(true); |
| unselectedCloseButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setUnselectedCloseVisible(); |
| } |
| }); |
| } |
| |
| /** |
| * 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 (SWT.FILL, SWT.FILL, true, true)); |
| 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.READ_ONLY); |
| 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"); |
| 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); |
| } |
| |
| /** |
| * 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.addCTabFolder2Listener (new CTabFolder2Adapter () { |
| public void close (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 (); |
| Color oldColor = selectionForegroundColor; |
| selectionForegroundColor = null; |
| setSelectionForeground (); |
| if (oldColor != null) oldColor.dispose(); |
| oldColor = selectionBackgroundColor; |
| selectionBackgroundColor = null; |
| setSelectionBackground (); |
| if (oldColor != null) oldColor.dispose(); |
| Font oldFont = itemFont; |
| itemFont = null; |
| setItemFont (); |
| if (oldFont != null) oldFont.dispose(); |
| } |
| |
| /** |
| * Sets the state of the "Example" widgets. |
| */ |
| void setExampleWidgetState () { |
| super.setExampleWidgetState(); |
| setSimpleTabs(); |
| setSingleTabs(); |
| setImages(); |
| setMinimizeVisible(); |
| setMaximizeVisible(); |
| setUnselectedCloseVisible(); |
| setUnselectedImageVisible(); |
| setSelectionBackground (); |
| setSelectionForeground (); |
| setItemFont (); |
| setExampleWidgetSize(); |
| } |
| |
| /** |
| * Sets the shape that the CTabFolder will use to render itself. |
| */ |
| void setSimpleTabs () { |
| tabFolder1.setSimple (simpleTabButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| |
| /** |
| * Sets the number of tabs that the CTabFolder should display. |
| */ |
| void setSingleTabs () { |
| tabFolder1.setSingle (singleTabButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets an image into each item of the "Example" widgets. |
| */ |
| void setImages () { |
| boolean setImage = imageButton.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 visibility of the minimize button |
| */ |
| void setMinimizeVisible () { |
| tabFolder1.setMinimizeVisible(showMinButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the visibility of the maximize button |
| */ |
| void setMaximizeVisible () { |
| tabFolder1.setMaximizeVisible(showMaxButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the visibility of the close button on unselected tabs |
| */ |
| void setUnselectedCloseVisible () { |
| tabFolder1.setUnselectedCloseVisible(unselectedCloseButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the visibility of the image on unselected tabs |
| */ |
| void setUnselectedImageVisible () { |
| tabFolder1.setUnselectedImageVisible(unselectedImageButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the background color of CTabItem 0. |
| */ |
| void setSelectionBackground () { |
| if (!instance.startup) { |
| tabFolder1.setSelectionBackground(selectionBackgroundColor); |
| } |
| // Set the selection background item's image to match the background color of the selection. |
| Color color = selectionBackgroundColor; |
| if (color == null) color = tabFolder1.getSelectionBackground (); |
| TableItem item = colorAndFontTable.getItem(SELECTION_BACKGROUND_COLOR); |
| Image oldImage = item.getImage(); |
| if (oldImage != null) oldImage.dispose(); |
| item.setImage (colorImage(color)); |
| } |
| |
| /** |
| * Sets the foreground color of CTabItem 0. |
| */ |
| void setSelectionForeground () { |
| if (!instance.startup) { |
| tabFolder1.setSelectionForeground(selectionForegroundColor); |
| } |
| // Set the selection foreground item's image to match the foreground color of the selection. |
| Color color = selectionForegroundColor; |
| if (color == null) color = tabFolder1.getSelectionForeground (); |
| TableItem item = colorAndFontTable.getItem(SELECTION_FOREGROUND_COLOR); |
| Image oldImage = item.getImage(); |
| if (oldImage != null) oldImage.dispose(); |
| item.setImage (colorImage(color)); |
| } |
| |
| /** |
| * Sets the font of CTabItem 0. |
| */ |
| void setItemFont () { |
| if (!instance.startup) { |
| tabFolder1.getItem (0).setFont (itemFont); |
| setExampleWidgetSize(); |
| } |
| /* Set the font item's image to match the font of the item. */ |
| Font ft = itemFont; |
| if (ft == null) ft = tabFolder1.getItem (0).getFont (); |
| TableItem item = colorAndFontTable.getItem(ITEM_FONT); |
| Image oldImage = item.getImage(); |
| if (oldImage != null) oldImage.dispose(); |
| item.setImage (fontImage(ft)); |
| item.setFont(ft); |
| colorAndFontTable.layout (); |
| } |
| } |