org.openxdata.designer.client.widget.PaletteWidget.java Source code

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Here is the source code for org.openxdata.designer.client.widget.PaletteWidget.java

Source

package org.openxdata.designer.client.widget;

import org.openxdata.designer.client.vew.widget.images.FormDesignerImages;
import org.openxdata.sharedlib.client.util.FormUtil;

import com.google.gwt.event.dom.client.HasAllMouseHandlers;
import com.google.gwt.event.dom.client.MouseDownEvent;
import com.google.gwt.event.dom.client.MouseDownHandler;
import com.google.gwt.event.dom.client.MouseMoveEvent;
import com.google.gwt.event.dom.client.MouseMoveHandler;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.event.dom.client.MouseOverEvent;
import com.google.gwt.event.dom.client.MouseOverHandler;
import com.google.gwt.event.dom.client.MouseUpEvent;
import com.google.gwt.event.dom.client.MouseUpHandler;
import com.google.gwt.event.dom.client.MouseWheelEvent;
import com.google.gwt.event.dom.client.MouseWheelHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;

/**
 * This is a widget which can be put on the palette for users to drag and drop
 * on the design surface.
 * 
 *  www.openxdata.org - Licensed as written in license.txt and original sources of this file and its authors are found in sources.txt.
 *
 */
public class PaletteWidget extends Composite implements HasAllMouseHandlers {

    /** The name of the widget. e.g TextBox, CheckBox, Label,Button etc */
    private String name;

    /**
     * Creates a new instance of the palette.
     * 
     * @param images the palette images.
     * @param html the name of the widget
     */
    public PaletteWidget(FormDesignerImages images, HTML html) {
        name = html.getText();

        HorizontalPanel hPanel = new HorizontalPanel();
        hPanel.setSpacing(5);
        hPanel.add(FormUtil.createImage(images.add()));
        hPanel.add(html);
        initWidget(hPanel);

        DOM.sinkEvents(getElement(), DOM.getEventsSunk(getElement()) | Event.MOUSEEVENTS);

        DOM.setStyleAttribute(getElement(), "cursor", "pointer");
    }

    public HandlerRegistration addMouseDownHandler(MouseDownHandler handler) {
        return addDomHandler(handler, MouseDownEvent.getType());
    }

    public HandlerRegistration addMouseMoveHandler(MouseMoveHandler handler) {
        return addDomHandler(handler, MouseMoveEvent.getType());
    }

    public HandlerRegistration addMouseOutHandler(MouseOutHandler handler) {
        return addDomHandler(handler, MouseOutEvent.getType());
    }

    public HandlerRegistration addMouseOverHandler(MouseOverHandler handler) {
        return addDomHandler(handler, MouseOverEvent.getType());
    }

    public HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
        return addDomHandler(handler, MouseUpEvent.getType());
    }

    public HandlerRegistration addMouseWheelHandler(MouseWheelHandler handler) {
        return addDomHandler(handler, MouseWheelEvent.getType());
    }

    /**
     * Gets the name of the widget.
     * 
     * @return the name
     */
    public String getName() {
        return name;
    }
}