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| /*jshint node: true */
'use strict';
/*
* Name : LineChartView.js
* Module : FrontEnd::View::GraphsView
* Location : /frontend/app/View/GraphsView
*
* History :
* Version Date Programmer Description
* =================================================================================================
* 1.0.3 2015-06-22 Maria Giovanna Chinellato Fix flow color
*
* 1.0.2 2015-06-21 Maria Giovanna Chinellato Fix legend update
*
* 1.0.1 2015-06-19 Maria Giovanna Chinellato Fix svg tag
*
* 1.0.0 2015-06-13 Maria Giovanna Chinellato Tested
*
* 0.1.0 2015-06-05 Maria Giovanna Chinellato Add init, setData and legend function
*
* 0.0.2 2015-06-03 Francesco Rossetto Add link function, observe and watch
*
* 0.0.1 2015-06-02 Francesco Rossetto Initial code
* =================================================================================================
*/
angular.module('norris-nrti')
.directive('lineChart', function($compile){
return {
restrict: 'E', // direttiva di tipo elemento (tag)
replace: false,
scope: { // attributo della direttiva
url: '@'
},
//bindToController: true,
link: function(scope, element, attrs){
element.empty();
attrs.$observe('url', function(value) {
Eif (value) {
scope.$parent.socketConnection(value); // richiama la funzione del controller che permette di connettersi al server
}
});
scope.$parent.$watch('changedP', function(newValue, oldValue){
if (newValue !== oldValue) {
element.empty(); // elimina i tag HTML relativi al line chart
scope.init(); // crea il grafico chiamando la funzione apposita
}
}, true);
scope.$parent.$watch('changedD', function(newValue, oldValue){
if(newValue !== oldValue){
scope.setData(); // richiama la funzione che imposta i dati ad ogni cambiamento dei dati dei flussi del grafico
Iif (element.children()[2]){
element.children()[2].remove();
}
Eif (scope.$parent.lineChart.getLegend() !== null){
scope.legend(); // richiama la funzione che crea la legenda relativa al grafico
}
}
}, true);
scope.$on('$destroy', function() {
for (var j=0; j<element.children().length; j++){
var nvd3 = element.children()[j];
nvd3.select('*').remove();
}
});
// inserisce il codice HTML che crea il grafico desiderato
scope.init = function(){
var linechart, legend, onPoint, ticks;
var str = scope.url.split('/');
var id = str[str.length-1];
var width;
var height;
var xLabel = 'X axis';
var yLabel = 'Y axis';
if (scope.$parent.lineChart.getX() !== null && scope.$parent.lineChart.getX().getName() !== null){
xLabel = scope.$parent.lineChart.getX().getName();
}
if (scope.$parent.lineChart.getY() !== null && scope.$parent.lineChart.getY().getName() !== null){
xLabel = scope.$parent.lineChart.getY().getName();
}
Eif (scope.$parent.lineChart.getWidth() !== 0){
width = scope.$parent.lineChart.getWidth() + 'px';
}
else{
width = '100%';
}
Eif (scope.$parent.lineChart.getHeight() !== 0){
height = scope.$parent.lineChart.getHeight() + 'px';
}
else{
height = '100%';
}
if (scope.$parent.lineChart.getLegend() !== null){
legend = true;
} else {
legend = false;
}
if (scope.$parent.lineChart.getLegendOnPoint()){
onPoint = true;
} else {
onPoint = false;
}
if (scope.$parent.lineChart.getX() !== null && scope.$parent.lineChart.getX() !== undefined){
ticks = scope.$parent.lineChart.getX().getTicks();
}
else{
ticks = 10;
}
if (scope.$parent.lineChart.getViewFinder() === true) {
linechart = '<div class="graphtitle">'+ scope.$parent.lineChart.getTitle() +'</div>' +
'<nvd3-line-with-focus-chart data="data" nodata=" " id="'+ id +'" ' +
'yaxistickformat="yAxisTickFormatFunction()" xaxistickformat="xAxisTickFormatFunction()" x2axistickformat="xAxisTickFormatFunction()" ' +
'margin="{left:50,top:50,bottom:50,right:50}" margin2="{left:50,top:50,bottom:50,right:50}" xaxisticks="' + ticks + '" x2axisticks="' + ticks + '" interactive="true" tooltips="'+ onPoint +'" ' +
'showlegend="' + legend + '" color="colorFunction()" xaxislabel="' + xLabel + '" yaxislabel="' + yLabel + '" ' +
'xaxisrotatelabels="-90" x2axisrotatelables="-90" interpolate="' + scope.$parent.lineChart.getInterpolation() +'">' +
'<svg style="width:'+ width +'; height:'+ height +';"></svg></nvd3-line-with-focus-chart>';
} else {
linechart = '<div class="graphtitle">'+ scope.$parent.lineChart.getTitle() +'</div>' +
'<nvd3-line-chart data="data" nodata=" " id="'+ id +'" ' +
'yaxistickformat="yAxisTickFormatFunction()" xaxistickformat="xAxisTickFormatFunction()" ' +
'margin="{left:50,top:50,bottom:50,right:50}" interactive="true" tooltips="'+ onPoint +'" showlegend="' + legend + '" ' +
'xaxisrotatelabels="-90" interpolate="' + scope.$parent.lineChart.getInterpolation() +'" ' +
'color="colorFunction()" x2axislabel="' + xLabel + '" yaxislabel="' + yLabel + '" ' +
'showxaxis="true" showyaxis="true" xaxisticks="' + ticks + '">' +
'<svg style="width:'+ width +'; height:'+ height +';"></svg></nvd3-line-chart>';
}
var compiled = $compile(linechart)(scope);
element.append(compiled);
};
// funzione che imposta il tick dell'asse X
scope.xAxisTickFormatFunction = function(){
return function(d){
return d;
};
};
// funzione che imposta il tick dell'asse Y
scope.yAxisTickFormatFunction = function(){
return function(d){
return d;
};
};
// imposta il colore dei flussi
scope.colorArray = [];
scope.colorFunction = function() {
return function(d, i) {
return scope.colorArray[i];
};
};
// imposta i dati da visualizzare
scope.data;
scope.setData = function(){
var data = [];
var colorArray = [];
for (var i=0; i<scope.$parent.lineChart.getFlowList().length; i++) {
var key = scope.$parent.lineChart.getFlowList()[i].flow.getName();
var area = scope.$parent.lineChart.getFlowList()[i].flow.getArea();
Eif (scope.$parent.lineChart.getFlowList()[i].flow.getFlowColor() !== undefined && scope.$parent.lineChart.getFlowList()[i].flow.getFlowColor() !== null){
colorArray.push(scope.$parent.lineChart.getFlowList()[i].flow.getFlowColor());
}
else{
colorArray.push(scope.$parent.defaultColorFlow[i]);
}
var values = [];
for (var j=0; j<scope.$parent.lineChart.getFlowList()[i].flow.getData().length; j++) {
var value = [scope.$parent.lineChart.getFlowList()[i].flow.getData()[j].value[0], scope.$parent.lineChart.getFlowList()[i].flow.getData()[j].value[1]];
values.push(value);
}
data.push({ 'key': key, 'area' : area, 'values': values});
}
scope.data = data;
scope.colorArray = colorArray;
};
// posiziona la legenda a nord, est, sud, ovest, nord-est, nosrd-ovest, sud-est o sud-ovest del grafico
function changePosition(chart,parent){
switch (scope.$parent.lineChart.getLegend().getPosition()) {
case 'N':
parent.setAttribute('style', 'float: left; position: relative; top: -' + scope.$parent.lineChart.getHeight() + 'px; right: -' + (scope.$parent.lineChart.getWidth()/2) + 'px; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
case 'E':
parent.setAttribute('style', 'float: left; position: relative; top: -' + (scope.$parent.lineChart.getHeight()/2) + 'px; right: -' + (scope.$parent.lineChart.getWidth()+50) + 'px; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
case 'S':
parent.setAttribute('style', 'float: left; position: relative; right: -' + (scope.$parent.lineChart.getWidth()/2) + 'px; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
case 'W':
parent.setAttribute('style', 'float: left; position: relative; top: -' + (scope.$parent.lineChart.getHeight()/2) + 'px; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
case 'NE':
parent.setAttribute('style', 'float: left; position: relative; top: -' + scope.$parent.lineChart.getHeight() + 'px; right: -' + (scope.$parent.lineChart.getWidth()+50) + 'px; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
case 'NW':
parent.setAttribute('style', 'float: left; position: relative; top: -' + scope.$parent.lineChart.getHeight() + 'px; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
case 'SE':
parent.setAttribute('style', 'float: left; position: relative; right: -' + (scope.$parent.lineChart.getWidth()+50) + 'px; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
case 'SW':
parent.setAttribute('style', 'float: left; position: relative; background-color: ' + scope.$parent.lineChart.getLegend().getBackgroundColor() + ';');
break;
}
}
// crea la legenda del grafico
scope.legend = function() {
var chart = element.children()[1];
var parent = document.createElement('div');
changePosition(chart,parent);
Eif (scope.$parent.lineChart.getLegend() !== null) {
var div = document.createElement('div');
for (var i=0; i<scope.$parent.lineChart.getFlowList().length; i++) {
if (scope.$parent.lineChart.getFlowList()[i].flow.getData().length){
var square = document.createElement('div');
square.setAttribute('style', 'float: left; height: 15px; width: 15px; background-color: ' + scope.colorArray[i] + ';');
var spanText = document.createElement('div');
var text = document.createTextNode('\u00A0\u00A0\u00A0\u00A0' + scope.$parent.lineChart.getFlowList()[i].flow.getName());
spanText.setAttribute('style', 'color: '+ scope.$parent.lineChart.getLegend().getFontColor() + ';');
spanText.appendChild(text);
div.appendChild(square);
div.appendChild(spanText);
parent.appendChild(div);
}
}
}
element.append(parent);
};
}
};
}); |