com.risevision.ui.client.common.widgets.text.RichTextEditorWidget.java Source code

Introduction

Here is the source code for com.risevision.ui.client.common.widgets.text.RichTextEditorWidget.java

Source

// Copyright  2010 - May 2014 Rise Vision Incorporated.
// Use of this software is governed by the GPLv3 license
// (reproduced in the LICENSE file).

package com.risevision.ui.client.common.widgets.text;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.event.dom.client.HasLoadHandlers;
import com.google.gwt.event.dom.client.LoadEvent;
import com.google.gwt.event.dom.client.LoadHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.TextArea;

public class RichTextEditorWidget extends Composite implements HasLoadHandlers {

    private TextArea textArea;
    private String editorId;
    private boolean isLoaded = false;
    private JavaScriptObject editorInstance;

    private HandlerRegistration loadHandler;
    private HandlerRegistration changeHandler;

    public RichTextEditorWidget() {
        editorId = "tinyMCE-" + System.currentTimeMillis();

        textArea = new TextArea();
        textArea.setWidth("90%");
        textArea.getElement().setAttribute("id", editorId);
        initWidget(textArea);

        // DeferredCommand.addCommand(new Command() {
        //
        // public void execute() {
        // initEditor();
        // }
        // });
    }

    protected void onLoad() {
        if (editorInstance == null) {
            initEditor();
        } else {
            focus();
        }
    }

    private native void initEditor()/*-{
                                    debugger;
                                        
                                    var editor = new $wnd.tinyMCE.Editor(this.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::editorId, {
                                    theme : "advanced",
                                    skin : "o2k7",
                                    //             width : "90%",
                                    //             height : 100,
                                    plugins : "safari,pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template,inlinepopups",
                                        
                                    theme_advanced_buttons1 : "bold,italic,underline,|,bullist,numlist,|,paste,pastetext,pasteword,|,fullscreen,|,code",
                                    theme_advanced_buttons2 : "",
                                    theme_advanced_buttons3 : "",
                                    theme_advanced_toolbar_location : "top",
                                    theme_advanced_toolbar_align : "left",
                                    theme_advanced_statusbar_location : "none",
                                    theme_advanced_resizing : true
                                    });
                                        
                                    this.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::editorInstance = editor;
                                        
                                    var self = this;
                                    editor.onInit.add(function(ed) {
                                    self.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::isLoaded = true;
                                    self.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::fireLoadEvent()();
                                    });
                                    editor.onKeyUp.add(function(ed, l) {
                                    self.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::fireChangeEvent()();
                                    });
                                        
                                    editor.render();
                                    }-*/;

    public native void focus()/*-{
                              this.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::editorInstance.focus(false);
                              }-*/;

    private void fireLoadEvent() {

    }

    private void fireChangeEvent() {
        //       NativeEvent nativeEvent = Document.get().createChangeEvent();
        //       ChangeEvent.fireNativeEvent(nativeEvent, this);
    }

    public void setHTML(final String html) {
        if (!isLoaded) {
            loadHandler = addLoadHandler(new LoadHandler() {
                @Override
                public void onLoad(LoadEvent event) {
                    Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {

                        @Override
                        public void execute() {
                            _setHTML(html);
                        }
                    });
                }
            });

        } else {
            _setHTML(html);
        }
    }

    private native void _setHTML(String html)/*-{
                                             this.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::editorInstance.setContent(html);
                                             }-*/;

    public native String getHTML()/*-{
                                  return this.@com.risevision.ui.client.common.widgets.text.RichTextEditorWidget::editorInstance.getContent();
                                  }-*/;

    public HandlerRegistration addLoadHandler(LoadHandler handler) {
        return addHandler(handler, LoadEvent.getType());
    }

}