/*******************************************************************************
* Copyright (c) 2000, 2012 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 ();
}
}