com.appnativa.studio.dialogs.ColorChooserDialog.java Source code

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Here is the source code for com.appnativa.studio.dialogs.ColorChooserDialog.java

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/*
 * @(#)ColorChooserDialog.java
 *
 * Copyright (c) appNativa. All rights reserved.
 *
 * Use is subject to license terms.
 */

package com.appnativa.studio.dialogs;

import java.awt.Dimension;
import java.util.EventObject;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.wb.swt.SWTResourceManager;

import com.appnativa.studio.Studio;
import com.appnativa.studio.composite.ColorPaletteComposite;
import com.appnativa.rare.ui.UIColor;
import com.appnativa.rare.ui.event.iActionListener;
import com.appnativa.rare.ui.event.iChangeListener;

public class ColorChooserDialog extends Dialog implements iActionListener, iChangeListener {
    ColorPaletteComposite colorPanel;
    UIColor selectedColor;
    Dimension preferredSize;
    Exception exception;
    private Label lblColorSample;

    /**
     * Create the dialog.
     * @param parentShell
     */
    public ColorChooserDialog(Shell parentShell) {
        super(parentShell);
    }

    @Override
    public void actionPerformed(com.appnativa.rare.ui.event.ActionEvent e) {
        selectedColor = colorPanel.getSelectedColor();
    }

    public void setColor(UIColor color) {
        selectedColor = color;
    }

    public UIColor getSelectedColor() {
        return selectedColor;
    }

    public void setSelectedColor(UIColor selectedColor) {
        this.selectedColor = selectedColor;
        if (colorPanel != null) {
            colorPanel.setSelectedColor(selectedColor);
        }
    }

    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setText(Studio.getResourceAsString("Studio.text.design.config_color"));
    }

    /**
     * Create contents of the button bar.
     * @param parent
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);

        Button b = createButton(parent, IDialogConstants.CLIENT_ID, "None", false);

        b.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                setReturnCode(IDialogConstants.CLIENT_ID);
                selectedColor = null;
                ColorChooserDialog.this.close();
            }
        });
    }

    @Override
    protected void okPressed() {
        selectedColor = colorPanel.getSelectedColor();
        super.okPressed();
    }

    /**
     * Create contents of the dialog.
     * @param parent
     */
    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);

        colorPanel = new ColorPaletteComposite(container, SWT.NONE);
        GridData gd_colorPanel = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
        gd_colorPanel.minimumHeight = 150;
        colorPanel.setLayoutData(gd_colorPanel);
        colorPanel.addChangeListener(this);

        Label label = new Label(container, SWT.SEPARATOR | SWT.HORIZONTAL);
        label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

        lblColorSample = new Label(container, SWT.BORDER);
        lblColorSample.setAlignment(SWT.CENTER);
        GridData gd_lblColorSample = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
        gd_lblColorSample.heightHint = 24;
        lblColorSample.setLayoutData(gd_lblColorSample);
        lblColorSample.setText("Color Sample");

        Label label_1 = new Label(container, SWT.SEPARATOR | SWT.HORIZONTAL);
        label_1.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

        return container;
    }

    @Override
    public void stateChanged(EventObject e) {
        Color c = colorPanel.getSWTColor();
        if (c == null) {
            c = SWTResourceManager.getColor(SWT.COLOR_WIDGET_BACKGROUND);
        }
        lblColorSample.setBackground(c);
    }
}