client/annotviz/app/js/generalView.js
changeset 100 0d7dac03c1a0
parent 99 9d968fbcaa2a
parent 98 72d767c5142d
child 101 7e902dc550c5
equal deleted inserted replaced
99:9d968fbcaa2a 100:0d7dac03c1a0
     1 /**
       
     2 * js/generalView
       
     3 *
       
     4 * generalView basic component
       
     5 *
       
     6 */
       
     7 
       
     8 'use strict';
       
     9 
       
    10 var PIXI = require('pixi');
       
    11 var randomColor = require('randomColor');
       
    12 var rgb2hex = require('./utils');
       
    13 
       
    14 function GeneralView(parentContainer, xInit, yInit, width, height, timeBegin, timeEnd, intervalWidth, intervalHeight, maxCellHeight, categories){
       
    15     var _this = this;
       
    16     this.container = new PIXI.DisplayObjectContainer();
       
    17     this.container.position.x = xInit;
       
    18     this.container.position.y = yInit;
       
    19     this.container.width = width;
       
    20     this.container.height = height;
       
    21     parentContainer.addChild(this.container);
       
    22     
       
    23     this.timeBegin = timeBegin;
       
    24     this.timeEnd = timeEnd;
       
    25     this.duration = (timeEnd - timeBegin)/1000 
       
    26     this.width = width;
       
    27     this.height = height;
       
    28     this.intervalHeight = intervalHeight;
       
    29     this.intervalWidth = intervalWidth;
       
    30     this.maxCellHeight = maxCellHeight;
       
    31     this.intervalDuration = (intervalWidth*this.duration/width);
       
    32     
       
    33     
       
    34     //Initialise the list of step
       
    35     //each cell will contain the list categories and the number of annotations per categories
       
    36     this.cells = []
       
    37     for (var i=0; i<(width/intervalWidth) ; i++){
       
    38     	this.cells[i] = [];
       
    39     	this.cells[i].x = i * this.intervalWidth;
       
    40     	this.cells[i].totalAnnots = 0;
       
    41     	this.cells[i].graphics = new PIXI.Graphics();
       
    42     	this.container.addChild(this.cells[i].graphics);
       
    43     	this.cells[i].categories = {};
       
    44     	
       
    45     	for (var category in categories){
       
    46     		this.cells[i].categories[category] = {
       
    47 				"count": 0,
       
    48 				"color": categories[category]
       
    49     		};
       
    50     	}
       
    51     }
       
    52     // draw temp line to locate the middle of the container
       
    53     var graphics = new PIXI.Graphics();
       
    54     graphics.beginFill(0x000000)
       
    55     	.lineStyle(1, 0x000000)
       
    56     	.moveTo(xInit, (-this.height/2) )
       
    57     	.lineTo(this.width, (-this.height/2))
       
    58     	.endFill();
       
    59     this.container.addChild(graphics);
       
    60 
       
    61     //Add Annotation to the TimeLine
       
    62     this.addAnnot = function(category, time){
       
    63     	console.log(this.timeEnd);
       
    64     	console.log(time);
       
    65     	if (this.timeEnd < time){
       
    66     		return;
       
    67     	}
       
    68     	var i = Math.floor((time-this.timeBegin)/(1000*this.intervalDuration));
       
    69 		this.cells[i].categories[category].count += 1;
       
    70 		this.cells[i].totalAnnots +=1;
       
    71 		this.redrawCell(this.cells[i]);
       
    72     };
       
    73     
       
    74     //Draw the cellule
       
    75     this.redrawCell = function(cell){
       
    76     	var x = cell.x; 
       
    77     	var y = -this.height/2;
       
    78     	cell.graphics.clear();
       
    79     	
       
    80     	//Check if total height is higher than Max Cell Height
       
    81     	if ((cell.totalAnnots*this.intervalHeight) > this.maxCellHeight){
       
    82     		var heightStep = this.maxCellHeight/cell.totalAnnots;
       
    83     	} else {
       
    84     		var heightStep = this.intervalHeight;
       
    85     	}
       
    86     	//Draw the rect depending on the height step calculated
       
    87     	for (var category in cell.categories){
       
    88 			cell.graphics.beginFill(cell.categories[category].color)
       
    89     			.drawRect(x, y, this.intervalWidth, -cell.categories[category].count * heightStep)
       
    90     			.endFill();
       
    91     		y -= cell.categories[category].count*heightStep;
       
    92     	}
       
    93     }
       
    94 }
       
    95 
       
    96 module.exports = GeneralView;