/*
 * Smart GWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * Smart GWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  Smart GWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
/* sgwtgen */
 
package com.smartgwt.client.widgets;


import com.smartgwt.client.event.*;
import com.smartgwt.client.core.*;
import com.smartgwt.client.types.*;
import com.smartgwt.client.data.*;
import com.smartgwt.client.data.events.*;
import com.smartgwt.client.rpc.*;
import com.smartgwt.client.callbacks.*;
import com.smartgwt.client.tools.*;
import com.smartgwt.client.bean.*;
import com.smartgwt.client.widgets.*;
import com.smartgwt.client.widgets.events.*;
import com.smartgwt.client.widgets.form.*;
import com.smartgwt.client.widgets.form.validator.*;
import com.smartgwt.client.widgets.form.fields.*;
import com.smartgwt.client.widgets.tile.*;
import com.smartgwt.client.widgets.tile.events.*;
import com.smartgwt.client.widgets.grid.*;
import com.smartgwt.client.widgets.grid.events.*;
import com.smartgwt.client.widgets.chart.*;
import com.smartgwt.client.widgets.layout.*;
import com.smartgwt.client.widgets.layout.events.*;
import com.smartgwt.client.widgets.menu.*;
import com.smartgwt.client.widgets.rte.*;
import com.smartgwt.client.widgets.rte.events.*;
import com.smartgwt.client.widgets.ace.*;
import com.smartgwt.client.widgets.ace.events.*;
import com.smartgwt.client.widgets.tab.*;
import com.smartgwt.client.widgets.toolbar.*;
import com.smartgwt.client.widgets.tree.*;
import com.smartgwt.client.widgets.tree.events.*;
import com.smartgwt.client.widgets.tableview.*;
import com.smartgwt.client.widgets.viewer.*;
import com.smartgwt.client.widgets.calendar.*;
import com.smartgwt.client.widgets.calendar.events.*;
import com.smartgwt.client.widgets.cube.*;
import com.smartgwt.client.widgets.drawing.*;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.user.client.Element;
import com.smartgwt.client.util.*;
import com.smartgwt.client.util.events.*;
import com.smartgwt.client.util.workflow.*;
import com.google.gwt.event.shared.*;
import com.google.gwt.event.shared.HasHandlers;
import com.smartgwt.logicalstructure.core.*;
import com.smartgwt.logicalstructure.widgets.*;
import com.smartgwt.logicalstructure.widgets.drawing.*;
import com.smartgwt.logicalstructure.widgets.plugins.*;
import com.smartgwt.logicalstructure.widgets.form.*;
import com.smartgwt.logicalstructure.widgets.tile.*;
import com.smartgwt.logicalstructure.widgets.grid.*;
import com.smartgwt.logicalstructure.widgets.chart.*;
import com.smartgwt.logicalstructure.widgets.layout.*;
import com.smartgwt.logicalstructure.widgets.menu.*;
import com.smartgwt.logicalstructure.widgets.rte.*;
import com.smartgwt.logicalstructure.widgets.ace.*;
import com.smartgwt.logicalstructure.widgets.tab.*;
import com.smartgwt.logicalstructure.widgets.tableview.*;
import com.smartgwt.logicalstructure.widgets.toolbar.*;
import com.smartgwt.logicalstructure.widgets.tree.*;
import com.smartgwt.logicalstructure.widgets.viewer.*;
import com.smartgwt.logicalstructure.widgets.calendar.*;
import com.smartgwt.logicalstructure.widgets.cube.*;
import com.smartgwt.logicalstructure.widgets.tools.*;

/**
 * PrintCanvas is a subclass of canvas which renders printable content HTML and  provides APIs for printing this content as
 * a separate document.
 * @see com.smartgwt.client.docs.Printing Printing overview and related methods
 */
@BeanFactory.FrameworkClass
@BeanFactory.ScClassName("PrintCanvas")
public class PrintCanvas extends Canvas {

    public static PrintCanvas getOrCreateRef(JavaScriptObject jsObj) {
        if (jsObj == null) return null;
        final BaseWidget refInstance = BaseWidget.getRef(jsObj);
        if (refInstance == null) {
            return new PrintCanvas(jsObj);
        } else {
            assert refInstance instanceof PrintCanvas;
            return (PrintCanvas)refInstance;
        }
    }
        


    /**
     * Changes the defaults for Canvas AutoChildren named <code>autoChildName</code>.
     *
     * @param autoChildName name of an AutoChild to customize the defaults for.
     * @param defaults Canvas defaults to apply. These defaults override any existing properties
     * without destroying or wiping out non-overridden properties.  For usage tips on this
     * param, see {@link com.smartgwt.client.docs.SGWTProperties}.
     * @see com.smartgwt.client.docs.AutoChildUsage
     */
    public static native void changeAutoChildDefaults(String autoChildName, Canvas defaults) /*-{
        if (defaults.@com.smartgwt.client.widgets.BaseWidget::isCreated()()) {
            @com.smartgwt.client.util.ConfigUtil::warnOfPreConfigInstantiation(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;)(PrintCanvas.@java.lang.Object::getClass()(), "changeAutoChildDefaults", "Canvas");
        }
        defaults.@com.smartgwt.client.widgets.BaseWidget::setConfigOnly(Z)(true);
        var cleanDefaultsJS = @com.smartgwt.client.util.JSOHelper::cleanProperties(Lcom/google/gwt/core/client/JavaScriptObject;Z)(defaults.@com.smartgwt.client.widgets.BaseWidget::getConfig()(), true);
        $wnd.isc.PrintCanvas.changeDefaults(autoChildName + "Defaults", cleanDefaultsJS);
    }-*/;

    /**
     * Changes the defaults for FormItem AutoChildren named <code>autoChildName</code>.
     *
     * @param autoChildName name of an AutoChild to customize the defaults for.
     * @param defaults FormItem defaults to apply. These defaults override any existing properties
     * without destroying or wiping out non-overridden properties.  For usage tips on this
     * param, see {@link com.smartgwt.client.docs.SGWTProperties}.
     * @see com.smartgwt.client.docs.AutoChildUsage
     */
    public static native void changeAutoChildDefaults(String autoChildName, FormItem defaults) /*-{
        if (defaults.@com.smartgwt.client.widgets.form.fields.FormItem::isCreated()()) {
            @com.smartgwt.client.util.ConfigUtil::warnOfPreConfigInstantiation(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;)(PrintCanvas.@java.lang.Object::getClass()(), "changeAutoChildDefaults", "FormItem");
        }
        defaults.@com.smartgwt.client.widgets.form.fields.FormItem::setConfigOnly(Z)(true);
    	var cleanDefaultsJS = defaults.@com.smartgwt.client.widgets.form.fields.FormItem::getEditorTypeConfig()();
        $wnd.isc.PrintCanvas.changeDefaults(autoChildName + "Defaults", cleanDefaultsJS);
    }-*/;

    public PrintCanvas(){
        scClassName = "PrintCanvas";
    }

    public PrintCanvas(JavaScriptObject jsObj){
        scClassName = "PrintCanvas";
        setJavaScriptObject(jsObj);
    }

    protected native JavaScriptObject create()/*-{
        var config = this.@com.smartgwt.client.widgets.BaseWidget::getConfig()();
        var scClassName = this.@com.smartgwt.client.widgets.BaseWidget::scClassName;
        var widget = $wnd.isc[scClassName].create(config);
        if ($wnd.isc.keepGlobals) this.@com.smartgwt.client.widgets.BaseWidget::internalSetID(Lcom/google/gwt/core/client/JavaScriptObject;)(widget);
        this.@com.smartgwt.client.widgets.BaseWidget::doInit()();
        return widget;
    }-*/;

    // ********************* Properties / Attributes ***********************

    /**
     * Setting this property will cause the specified stylesheet to be loaded in this print canvas's frame. The stylesheet
     * should be specified as a URL to load.
     * <p><b>Note : </b> This is an advanced setting</p>
     *
     * @param externalStylesheet New externalStylesheet value. Default value is null
     */
    public void setExternalStylesheet(String externalStylesheet) {
        setAttribute("externalStylesheet", externalStylesheet, true);
    }

    /**
     * Setting this property will cause the specified stylesheet to be loaded in this print canvas's frame. The stylesheet
     * should be specified as a URL to load.
     *
     * @return Current externalStylesheet value. Default value is null
     */
    public String getExternalStylesheet()  {
        return getAttributeAsString("externalStylesheet");
    }
    

    /**
     * Location of the special printFrame html file provided as part of the Smart GWT libraries. This file must be present at
     * the specified location for the printCanvas printing APIs.
     * <p><b>Note : </b> This is an advanced setting</p>
     *
     * @param printFrameURL New printFrameURL value. Default value is "[HELPERS]printFrame.html"
     * @throws IllegalStateException this property cannot be changed after the component has been created
     */
    public void setPrintFrameURL(String printFrameURL)  throws IllegalStateException {
        setAttribute("printFrameURL", printFrameURL, false);
    }

    /**
     * Location of the special printFrame html file provided as part of the Smart GWT libraries. This file must be present at
     * the specified location for the printCanvas printing APIs.
     *
     * @return Current printFrameURL value. Default value is "[HELPERS]printFrame.html"
     */
    public String getPrintFrameURL()  {
        return getAttributeAsString("printFrameURL");
    }
    

    // ********************* Methods ***********************
	/**
     * Show the native print dialog and allow the user to print the current HTML for this printCanvas. Note that the
     * PrintCanvas must be drawn to be printed.
     */
    public native void print() /*-{
        if (this.@com.smartgwt.client.widgets.BaseWidget::isConfigOnly()()) {
            @com.smartgwt.client.util.ConfigUtil::warnOfPostConfigInstantiation(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;)(this.@java.lang.Object::getClass()(), "print", "");
        }
        var self = this.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
        self.print();
    }-*/;

	/**
     * Update the HTML content displayed in this print canvas. If the printCanvas is not yet drawn the HTML will be displayed
     * when the canvas is drawn. <P> Note that if the printCanvas is {@link com.smartgwt.client.widgets.Canvas#redraw redrawn},
     * or  {@link com.smartgwt.client.widgets.Canvas#clear cleared} and then {@link com.smartgwt.client.widgets.Canvas#draw
     * drawn} again, the HTML will be redisplayed inside the print canvas, and the specified callback will be fired again.
     * @param HTML HTML to show in this print canvas
     * @param callback callback function to fire when the HTML is displayed. The  callback will be passed a pointer to this print canvas as the
     * first parameter with the  name <code>printPreview</code>. If this canvas is not drawn when this method is called,  the
     * callback will not be fired until the canvas is drawn and the HTML rendered out into  the page.
     */
    public native void setHTML(String HTML, PrintCanvasCallback callback) /*-{
        if (this.@com.smartgwt.client.widgets.BaseWidget::isConfigOnly()()) {
            @com.smartgwt.client.util.ConfigUtil::warnOfPostConfigInstantiation(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;)(this.@java.lang.Object::getClass()(), "setHTML", "String,PrintCanvasCallback");
        }
        var self = this.@com.smartgwt.client.widgets.BaseWidget::getOrCreateJsObj()();
        self.setHTML(HTML, 
			$entry( function(printPreview) { 
				if(callback!=null) callback.@com.smartgwt.client.util.PrintCanvasCallback::execute(Lcom/smartgwt/client/widgets/PrintCanvas;)(
					@com.smartgwt.client.widgets.Canvas::getByJSObject(Lcom/google/gwt/core/client/JavaScriptObject;)(printPreview)
				);
			}));
    }-*/;


    // ********************* Static Methods ***********************

    /** 
     * Class level method to set the default properties of this class.  If set, then all
     * existing and subsequently created instances of this class will automatically have
     * default properties corresponding to
     * the properties set on the SmartGWT class instance passed to this function before its
     * underlying SmartClient JS object was created.
     * This is a powerful feature that eliminates the need for users to create a separate
     * hierarchy of subclasses that only alter the default properties of this class. Can also
     * be used for skinning / styling purposes.  <P> <b>Note:</b> This method is intended for
     * setting default attributes only and will affect all instances of the underlying class
     * (including those automatically generated in JavaScript).  This method should not be used
     * to apply standard EventHandlers or override methods for a class - use a custom subclass
     * instead.  Calling this method after instances have been created can result in undefined
     * behavior, since it bypasses any setters and a class instance may have already examined 
     * a particular property and not be expecting any changes through this route.
     *
     * @param printCanvasProperties properties that should be used as new defaults when instances of this class are created
     * @see com.smartgwt.client.docs.SGWTProperties
     */
    public static native void setDefaultProperties(PrintCanvas printCanvasProperties) /*-{
        if (printCanvasProperties.@com.smartgwt.client.widgets.BaseWidget::isCreated()()) {
            @com.smartgwt.client.util.ConfigUtil::warnOfPreConfigInstantiation(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/Class;)(PrintCanvas.@java.lang.Object::getClass()(), "setDefaultProperties", printCanvasProperties.@java.lang.Object::getClass()());
        }
        printCanvasProperties.@com.smartgwt.client.widgets.BaseWidget::setConfigOnly(Z)(true);
    	var properties = printCanvasProperties.@com.smartgwt.client.widgets.BaseWidget::getConfig()();
        properties = @com.smartgwt.client.util.JSOHelper::cleanProperties(Lcom/google/gwt/core/client/JavaScriptObject;Z)(properties,true);
        $wnd.isc.PrintCanvas.addProperties(properties);
    }-*/;

    // ***********************************************************

    /**
     * Setter implementing the {@link com.smartgwt.client.core.LogicalStructure} interface,
     * which supports Eclipse's logical structure debugging facility.
     */
    public LogicalStructureObject setLogicalStructure(PrintCanvasLogicalStructure s) {
        super.setLogicalStructure(s);
        try {
            s.externalStylesheet = getAttributeAsString("externalStylesheet");
        } catch (Throwable t) {
            s.logicalStructureErrors += "PrintCanvas.externalStylesheet:" + t.getMessage() + "\n";
        }
        try {
            s.printFrameURL = getAttributeAsString("printFrameURL");
        } catch (Throwable t) {
            s.logicalStructureErrors += "PrintCanvas.printFrameURL:" + t.getMessage() + "\n";
        }
        return s;
    }

    /**
     * Getter implementing the {@link com.smartgwt.client.core.LogicalStructure} interface,
     * which supports Eclipse's logical structure debugging facility.
     */
    public LogicalStructureObject getLogicalStructure() {
        PrintCanvasLogicalStructure s = new PrintCanvasLogicalStructure();
        setLogicalStructure(s);
        return s;
    }
}
