root/branches/0.2/controlexample/tabfoldertab.d

/*******************************************************************************
 * Copyright (c) 2000, 2003 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
 *******************************************************************************/
module controlexample.tabfoldertab;

private {
import swt.all;
import controlexample.tab;
import controlexample.controlexample;
}


class TabFolderTab : Tab {
    /* Example widgets and groups that contain them */
    TabFolder tabFolder1;
    Group tabFolderGroup;
    
    /* Style widgets added to the "Style" group */
    Button topButton, bottomButton;

    static String [] TabItems1;

    /**
     * Creates the Tab within a given instance_ren of ControlExample.
     */
    this(ControlExample instance_ren) {
        
        if(TabItems1 is null) {
            TabItems1 ~= ControlExample.getResourceString("TabItem1_0"),
            TabItems1 ~= ControlExample.getResourceString("TabItem1_1"),
            TabItems1 ~= ControlExample.getResourceString("TabItem1_2");
        };
        super(instance_ren);

    }
    
    /**
     * Creates the "Example" group.
     */
    void createExampleGroup () {
        super.createExampleGroup ();
        
        /* Create a group for the TabFolder */
        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 ("TabFolder");
    }
    
    /**
     * 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;

        /* Create the example widgets */
        tabFolder1 = new TabFolder (tabFolderGroup, style);
        for (int i = 0; i < TabItems1.length; i++) {
            TabItem item = new TabItem(tabFolder1, SWT.NONE);
            item.setText(TabItems1[i]);
            Text content = new Text(tabFolder1, SWT.WRAP | SWT.MULTI);
            content.setText(ControlExample.getResourceString("TabItem_content") ~ ": " ~ std.string.toString(i));
            item.setControl(content);
        }
    }
    
    /**
     * 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");
    
        /* Add the listeners */
        void widgetSelected(SelectionEvent event) {
            TabFolderTab c = cast(TabFolderTab)event.cData;
            if (!(cast(Button) event.widget).getSelection ()) return;
            c.recreateExampleWidgets ();

        };
        topButton.handleSelection(this, &widgetSelected);
        bottomButton.handleSelection(this, &widgetSelected);
    }
    
    /**
     * 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 () {
        Control[] controls;
        controls ~= tabFolder1;
        return controls;
    }
    
    /**
     * Gets the text for the tab folder item.
     */
    String getTabText () {
        return "TabFolder";
    }

    /**
     * Sets the state of the "Example" widgets.
     */
    void setExampleWidgetState () {
        super.setExampleWidgetState ();
        topButton.setSelection ((tabFolder1.getStyle () & SWT.TOP) != 0);
        bottomButton.setSelection ((tabFolder1.getStyle () & SWT.BOTTOM) != 0);
        borderButton.setSelection ((tabFolder1.getStyle () & SWT.BORDER) != 0);
    }
}