org.eclipse.swt.examples.controlexample.CComboTab.java Source code

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Here is the source code for org.eclipse.swt.examples.controlexample.CComboTab.java

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/*******************************************************************************
 * Copyright (c) 2000, 2013 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.examples.controlexample;

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

class CComboTab extends Tab {

    /* Example widgets and groups that contain them */
    CCombo combo1;
    Group comboGroup;

    /* Style widgets added to the "Style" group */
    Button flatButton, readOnlyButton;

    static String[] ListData = { ControlExample.getResourceString("ListData1_0"),
            ControlExample.getResourceString("ListData1_1"), ControlExample.getResourceString("ListData1_2"),
            ControlExample.getResourceString("ListData1_3"), ControlExample.getResourceString("ListData1_4"),
            ControlExample.getResourceString("ListData1_5"), ControlExample.getResourceString("ListData1_6"),
            ControlExample.getResourceString("ListData1_7"), ControlExample.getResourceString("ListData1_8") };

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

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

        /* Create a group for the combo box */
        comboGroup = new Group(exampleGroup, SWT.NONE);
        comboGroup.setLayout(new GridLayout());
        comboGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        comboGroup.setText(ControlExample.getResourceString("Custom_Combo"));
    }

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

        /* Compute the widget style */
        int style = getDefaultStyle();
        if (flatButton.getSelection())
            style |= SWT.FLAT;
        if (readOnlyButton.getSelection())
            style |= SWT.READ_ONLY;
        if (borderButton.getSelection())
            style |= SWT.BORDER;

        /* Create the example widgets */
        combo1 = new CCombo(comboGroup, style);
        combo1.setItems(ListData);
        if (ListData.length >= 3) {
            combo1.setText(ListData[2]);
        }
    }

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

        /* Create the extra widgets */
        readOnlyButton = new Button(styleGroup, SWT.CHECK);
        readOnlyButton.setText("SWT.READ_ONLY");
        borderButton = new Button(styleGroup, SWT.CHECK);
        borderButton.setText("SWT.BORDER");
        flatButton = new Button(styleGroup, SWT.CHECK);
        flatButton.setText("SWT.FLAT");
    }

    /**
     * Gets the "Example" widget children.
     */
    @Override
    Widget[] getExampleWidgets() {
        return new Widget[] { combo1 };
    }

    /**
     * Returns a list of set/get API method names (without the set/get prefix)
     * that can be used to set/get values in the example control(s).
     */
    @Override
    String[] getMethodNames() {
        return new String[] { "Editable", "Items", "Selection", "Text", "TextLimit", "ToolTipText",
                "VisibleItemCount" };
    }

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

    /**
     * Sets the state of the "Example" widgets.
     */
    @Override
    void setExampleWidgetState() {
        super.setExampleWidgetState();
        flatButton.setSelection((combo1.getStyle() & SWT.FLAT) != 0);
        readOnlyButton.setSelection((combo1.getStyle() & SWT.READ_ONLY) != 0);
        borderButton.setSelection((combo1.getStyle() & SWT.BORDER) != 0);
    }
}