org.icefaces.ace.component.resizable.Resizable Maven / Gradle / Ivy

/*
 * Original Code Copyright Prime Technology.
 * Subsequent Code Modifications Copyright 2011-2014 ICEsoft Technologies Canada Corp. (c)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * NOTE THIS CODE HAS BEEN MODIFIED FROM ORIGINAL FORM
 *
 * Subsequent Code Modifications have been made and contributed by ICEsoft Technologies Canada Corp. (c).
 *
 * Code Modification 1: Integrated with ICEfaces Advanced Component Environment.
 * Contributors: ICEsoft Technologies Canada Corp. (c)
 *
 * Code Modification 2: [ADD BRIEF DESCRIPTION HERE]
 * Contributors: ______________________
 * Contributors: ______________________
 */

/*
 * Generated, Do Not Modify
 */

package org.icefaces.ace.component.resizable;

import javax.faces.FacesException;
import javax.faces.component.*;
import javax.faces.context.FacesContext;
import javax.el.MethodExpression;
import javax.faces.context.ResponseWriter;
import javax.faces.event.AbortProcessingException;

import org.icefaces.ace.util.JSONBuilder;

import javax.faces.event.AjaxBehaviorEvent;
import java.io.IOException;
import java.util.List;

public class Resizable extends ResizableBase {
    public void broadcast(javax.faces.event.FacesEvent event) throws AbortProcessingException {
        if (event instanceof AjaxBehaviorEvent) {
            super.broadcast(event);
            return;
        }

        FacesContext facesContext = FacesContext.getCurrentInstance();
        MethodExpression me = getResizeListener();
        if (me != null) {
            me.invoke(facesContext.getELContext(), new Object[]{event});
        }
    }


    public void attachRenderer() {
        final Resizable resizable = this;
        final UIComponent target = findTarget(resizable);

        UIOutput out = new Setup(target, resizable);
        out.setTransient(true);
        UIComponent parent = target.getParent();
        parent.setInView(false);
        List siblings = parent.getChildren();
        int index = siblings.indexOf(target);
        siblings.add(index + 1, out);
        parent.setInView(true);
    }

    private UIComponent findTarget(Resizable resizable) {
        String _for = resizable.getFor();

        if (_for != null) {
            UIComponent component = resizable.findComponent(_for);
            if (component == null)
                throw new FacesException("Cannot find component \"" + _for + "\" in view.");
            else
                return component;
        } else {
            return resizable.getParent();
        }
    }

    private class Setup extends UIOutput {
        private final UIComponent target;
        private final Resizable resizable;

        public Setup(UIComponent target, Resizable resizable) {
            this.target = target;
            this.resizable = resizable;
        }

        public void encodeEnd(FacesContext context) throws IOException {
            ResponseWriter writer = context.getResponseWriter();
            String clientId = resizable.getClientId(context);
            String targetId = target.getClientId(context);
            String handles = resizable.getHandles();
            int grid = resizable.getGrid();

            writer.startElement("span", this);
            writer.writeAttribute("id", clientId, null);
            writer.startElement("script", null);
            writer.writeAttribute("type", "text/javascript", null);
            if (resizable.isDisabled()) {
                JSONBuilder jb = JSONBuilder.create();
                jb.beginFunction("ice.ace.Resizable.destroy").item(targetId).endFunction();
                writer.write(jb.toString());
            } else {
                //If it is an image wait until the image is loaded
                if (target instanceof UIGraphic) {
                    writer.write("ice.ace.jq(ice.ace.escapeClientId('" + targetId + "')).load(function(){");
                } else {
                    writer.write("ice.ace.jq(function(){");
                }

                JSONBuilder jb = JSONBuilder.create();
                jb.beginFunction("ice.ace.create")
                        .item("Resizable")
                        .beginArray()
                        .item(clientId)
                        .beginMap()
                        .entry("target", targetId);

                //Boundaries
                int minWidth = resizable.getMinWidth();
                int maxWidth = resizable.getMaxWidth();
                int width = resizable.getWidth();
                int minHeight = resizable.getMinHeight();
                int maxHeight = resizable.getMaxHeight();
                int height = resizable.getHeight();

                if (minWidth != Integer.MIN_VALUE) jb.entry("minWidth", minWidth);
                if (maxWidth != Integer.MAX_VALUE) jb.entry("maxWidth", maxWidth);
                if (minHeight != Integer.MIN_VALUE) jb.entry("minHeight", minHeight);
                if (maxHeight != Integer.MAX_VALUE) jb.entry("maxHeight", maxHeight);

                if (height != Integer.MIN_VALUE) jb.entry("height", height);
                if (width != Integer.MIN_VALUE) jb.entry("width", width);


                //Animation
                if (resizable.isAnimate()) {
                    jb.entry("animate", true);
                    jb.entry("animateEasing", resizable.getEffect());
                    jb.entry("animateDuration", resizable.getEffectDuration());
                }


                //Config
                if (resizable.isProxy()) jb.entry("helper", "ui-resizable-proxy");
                if (handles != null) jb.entry("handles", handles);
                if (grid != 1) jb.entry("grid", grid);
                if (resizable.isAspectRatio()) jb.entry("aspectRatio", true);
                if (resizable.isGhost()) jb.entry("ghost", true);
                //use  parent element not the root element of the parent component
                if (resizable.isContainment())
                    jb.entry("containment", "document.getElementById('" + target.getClientId(context) + "').parentNode", true);

                //Ajax resize
                if (resizable.getResizeListener() != null) {
                    jb.entry("ajaxResize", true);
                }

                ((ResizableRenderer) resizable.getRenderer(context)).encodeBehaviors(context, resizable, jb);

                jb.endMap().endArray().endFunction();

                writer.write(jb.toString());
                writer.write("});");
            }
            writer.endElement("script");
            writer.endElement("span");
        }
    }
}