/*******************************************************************************
 * Copyright (c) 2000, 2007 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
 * Port to the D programming language:
 *     Frank Benoit <benoit@tionex.de>
 *******************************************************************************/
module controlexample.ProgressBarTab;



import dwt.DWT;
import dwt.layout.GridData;
import dwt.layout.GridLayout;
import dwt.widgets.Button;
import dwt.widgets.Group;
import dwt.widgets.ProgressBar;
import dwt.widgets.Widget;

import controlexample.Tab;
import controlexample.ControlExample;
import controlexample.RangeTab;

class ProgressBarTab : RangeTab {
    /* Example widgets and groups that contain them */
    ProgressBar progressBar1;
    Group progressBarGroup;

    /* Style widgets added to the "Style" group */
    Button smoothButton;
    Button indeterminateButton;

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

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

        /* Create a group for the progress bar */
        progressBarGroup = new Group (exampleGroup, DWT.NONE);
        progressBarGroup.setLayout (new GridLayout ());
        progressBarGroup.setLayoutData (new GridData (DWT.FILL, DWT.FILL, true, true));
        progressBarGroup.setText ("ProgressBar");
    }

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

        /* Compute the widget style */
        int style = getDefaultStyle();
        if (horizontalButton.getSelection ()) style |= DWT.HORIZONTAL;
        if (verticalButton.getSelection ()) style |= DWT.VERTICAL;
        if (smoothButton.getSelection ()) style |= DWT.SMOOTH;
        if (borderButton.getSelection ()) style |= DWT.BORDER;
        if (indeterminateButton.getSelection ()) style |= DWT.INDETERMINATE;

        /* Create the example widgets */
        progressBar1 = new ProgressBar (progressBarGroup, style);
    }

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

        /* Create the extra widgets */
        smoothButton = new Button (styleGroup, DWT.CHECK);
        smoothButton.setText ("DWT.SMOOTH");
        indeterminateButton = new Button (styleGroup, DWT.CHECK);
        indeterminateButton.setText ("DWT.INDETERMINATE");
    }

    /**
     * Gets the "Example" widget children.
     */
    Widget [] getExampleWidgets () {
        return [ cast(Widget) progressBar1];
    }

    /**
     * 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).
     */
    char[][] getMethodNames() {
        return ["Selection", "ToolTipText"];
    }

    /**
     * Gets the short text for the tab folder item.
     */
    public char[] getShortTabText() {
        return "PB";
    }

    /**
     * Gets the text for the tab folder item.
     */
    char[] getTabText () {
        return "ProgressBar";
    }

    /**
     * Sets the state of the "Example" widgets.
     */
    void setExampleWidgetState () {
        super.setExampleWidgetState ();
        if (indeterminateButton.getSelection ()) {
            selectionSpinner.setEnabled (false);
            minimumSpinner.setEnabled (false);
            maximumSpinner.setEnabled (false);
        } else {
            selectionSpinner.setEnabled (true);
            minimumSpinner.setEnabled (true);
            maximumSpinner.setEnabled (true);
        }
        smoothButton.setSelection ((progressBar1.getStyle () & DWT.SMOOTH) !is 0);
        indeterminateButton.setSelection ((progressBar1.getStyle () & DWT.INDETERMINATE) !is 0);
    }

    /**
     * Gets the default maximum of the "Example" widgets.
     */
    int getDefaultMaximum () {
        return progressBar1.getMaximum();
    }

    /**
     * Gets the default minimim of the "Example" widgets.
     */
    int getDefaultMinimum () {
        return progressBar1.getMinimum();
    }

    /**
     * Gets the default selection of the "Example" widgets.
     */
    int getDefaultSelection () {
        return progressBar1.getSelection();
    }

    /**
     * Sets the maximum of the "Example" widgets.
     */
    void setWidgetMaximum () {
        progressBar1.setMaximum (maximumSpinner.getSelection ());
        updateSpinners ();
    }

    /**
     * Sets the minimim of the "Example" widgets.
     */
    void setWidgetMinimum () {
        progressBar1.setMinimum (minimumSpinner.getSelection ());
        updateSpinners ();
    }

    /**
     * Sets the selection of the "Example" widgets.
     */
    void setWidgetSelection () {
        progressBar1.setSelection (selectionSpinner.getSelection ());
        updateSpinners ();
    }

    /**
     * Update the Spinner widgets to reflect the actual value set
     * on the "Example" widget.
     */
    void updateSpinners () {
        minimumSpinner.setSelection (progressBar1.getMinimum ());
        selectionSpinner.setSelection (progressBar1.getSelection ());
        maximumSpinner.setSelection (progressBar1.getMaximum ());
    }
}