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js/app/views/PlotComponents/PlotPreviewUI.js 6.32 KB
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/**
 * Project   : AMDA-NG
 * Name      : PlotPreviewUI.js
 * @class    amdaPlotComp.PlotPreviewUI
 * @extends  Ext. panel.Panel
 * @brief    Plot Preview UI definition (View)
 * @author    
 * @version  $Id: PlotPreviewUI.js benjamin $
 ********************************************************************************
 *    FT Id     :   Date   : Name - Description
 *******************************************************************************
 *              
 */

Ext.define('amdaPlotComp.PlotPreviewUI', {
    extend: 'Ext.panel.Panel',
 
    alias: 'widget.plotPreview',

    requires: [
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        'amdaPlotComp.PlotContextManager',
        'amdaPlotComp.PlotResultImage'
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    ],
    
    panelImage : null,
    crtContext : null,
    sliderPage : null,
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    contextualMenu : null,
    hiddenForm: null,
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    constructor: function(config) {
        this.init(config);	 
        this.callParent(arguments);	 
    },  
    
    getImageSize : function() {
    	if (!this.crtContext)
    		return {
    			width : 0,
    			height : 0
    		};
    		
    	return  {
    			width  : this.crtContext.page.width * this.sliderPage.getValue()/100.,
    			height : this.crtContext.page.height * this.sliderPage.getValue()/100.
	    } 
    },
    
    getImageUrl: function(resultFolder, plotFile) {
    	return 'data/'+sessionID +'/RES/'+resultFolder+ '/' + plotFile;
    },
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	toPixelOnSourceImage: function (value) {
		return value * 100 / this.sliderPage.getValue();
	},

	toPixelOnResultImage: function (value) {
		return value * this.sliderPage.getValue() / 100;
	},
	getAxisValue: function (axis, pixelMin, pixelMax, pixelVal) {
		var val = amdaPlotComp.PlotContextManager.toAxisValue(axis, pixelMin, pixelMax, pixelVal);
		return parseFloat(val).toPrecision(5);
	},
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    createPlotImage: function(resultFolder, plotFile) {
    	var me = this;
    	var size = this.getImageSize();
    	this.panelImage = Ext.create('amdaPlotComp.PlotResultImage', {
            src    : this.getImageUrl(resultFolder, plotFile),
            width  : size.width,
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            height : size.height,
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			onMouseMove: function (x, y) {
				if (!me.crtContext)
					return;

				var sourceXPos = me.toPixelOnSourceImage(x);
				var sourceYPos = me.toPixelOnSourceImage(y);
				var panel = amdaPlotComp.PlotContextManager.getPanel(me.crtContext, sourceXPos, sourceYPos);

				var text = '';
				if (me.panelImage) {
					if (!panel) {
						me.panelImage.resetCursor();
						text += 'No panel';
					}
					else {
						text += 'Panel Id : ';
						text += panel.id;
						if (amdaPlotComp.PlotContextManager.isInPlotArea(panel, sourceXPos, sourceYPos)) {
							/*me.panelImage.updateCursor(
								me.toPixelOnResultImage(panel.plotArea.x),
								me.toPixelOnResultImage(panel.plotArea.y),
								me.toPixelOnResultImage(panel.plotArea.width),
								me.toPixelOnResultImage(panel.plotArea.height),
								x, y);*/
							me.panelImage.updateCursor(
								me.toPixelOnResultImage(0),
								me.toPixelOnResultImage(0),
								me.toPixelOnResultImage(me.crtContext.page.width),
								me.toPixelOnResultImage(me.crtContext.page.height),
								x, y);

							var xText = '';
							var yLeftText = '';
							Ext.each(panel.plotArea.axes, function (axis) {
								switch (axis.id) {
									case 'y-left':
										yLeftText = me.getAxisValue(axis, panel.plotArea.y + panel.plotArea.height, panel.plotArea.y, sourceYPos);
										break;
									case 'xaxis_id':
										xText = me.getAxisValue(axis, panel.plotArea.x, panel.plotArea.x + panel.plotArea.width, sourceXPos);
										break;
								}

							});

							if (xText != '')
								text += (', X : ' + xText);
							if (yLeftText != '')
								text += (', Y : ' + yLeftText);
						}
						else
							me.panelImage.resetCursor();
					}
				}
				me.coordinatesField.setText(text);
			},
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	    onContextMenu : function(absoluteX, absoluteY, imageX, imageY) {
		me.contextualMenu.showAt(absoluteX, absoluteY);
	    }
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        });

        return this.panelImage;
    },
    
    updatePlotImage: function(configResult, newPlot) {
    	this.crtContext = configResult.context;

    	this.panelImage.setSrc(this.getImageUrl(configResult.folder, configResult.plotFile));
    	
    	var size = this.getImageSize();
    	this.panelImage.setSize(size.width, size.height);
    	
    	this.panelImage.refreshMe();
    },
    
    init: function(configResult){
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	var me = this;
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    	this.crtContext = configResult.context;
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    	this.interactiveId = configResult.interactiveId;
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		this.coordinatesField = new Ext.toolbar.TextItem({
			width: 300,
			text: ''
		});
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    	this.sliderPage = new Ext.slider.Single({
            width: 130,
            value: 75,
            increment: 5,
            minValue: 50,
            maxValue: 100,
            fieldLabel : 'Resize',
            labelWidth : 40,
            listeners: {
        		scope : this,
                changecomplete: function(s, v)
                {
        			var size = this.getImageSize();	 
        			this.panelImage.width  = size.width;
        			this.panelImage.height = size.height;
        			this.panelImage.doComponentLayout();
                }
            }
        });
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		var mouseToolbar = {
			xtype: 'toolbar',
			height: 25,
			dock: 'bottom',
			items: [
				this.coordinatesField,
				'->',
				this.sliderPage
			]
		};
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	this.contextualMenu = Ext.create('Ext.menu.Menu', {
		width: 200,
		plain: true,
		items: [
			{
				text: 'Save Plot',
				handler : function ()
				{
					if (me.hiddenForm == null)
						me.hiddenForm = Ext.create('Ext.form.Panel', {
							title:'hiddenForm',
							renderTo: Ext.getBody(),
							standardSubmit: true,
							url: 'php/downloadPlot.php',
							timeout: 120000,
							height:100,
							width: 100,
							hidden:true,
							items:[]
						});

					me.hiddenForm.getForm().submit({
						params: {
							sessionId: sessionID,
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							interactiveId : me.interactiveId,
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							preview: true
						},
						success: function(form, action) {},
						failure: function(form, action) {}
					});
				}
			}
		]
	});
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    	var plotPreviewPanelConfig = {
    			preventHeader : true,
                autoScroll: true,       
                items: [
                        this.createPlotImage(configResult.folder, configResult.plotFile)
                ],
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			dockedItems: [mouseToolbar]
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    	};
            
    	Ext.apply(this , plotPreviewPanelConfig);	
    }
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});