mirror of
https://github.com/devcode-it/openstamanager.git
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114 lines
3.2 KiB
JavaScript
Executable File
114 lines
3.2 KiB
JavaScript
Executable File
/*
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* OpenSTAManager: il software gestionale open source per l'assistenza tecnica e la fatturazione
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* Copyright (C) DevCode s.n.c.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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class LineChart extends Stat {
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constructor(calendar, file, data = {}, chart){
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super(calendar, file, data);
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this.chart = chart;
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}
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add(start, end, color = null) {
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var calendar_id = this.calendar.id;
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var chart = this.chart;
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var color = color ? color : this.getRandomColor();
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this.getData(start, end, function(response) {
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var data = JSON.parse(response);
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var label = data.label;
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var dataset = [];
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var labels = [];
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data.results.forEach(function (item) {
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dataset.push(item.result);
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var date = moment().month(item.month - 1).year(item.year);
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labels.push(date.format("MMMM YYYY"));
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});
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while (chart.data.labels.length < data.results.length) {
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chart.data.labels.push("");
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}
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chart.data.datasets.push({
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calendar_id: calendar_id,
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label: label,
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backgroundColor: color + '55',
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borderColor: color,
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data: dataset,
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labels: labels,
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fill: true,
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});
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chart.update();
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});
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}
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update(start, end) {
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var color = this.remove();
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this.add(start, end, color);
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}
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getRandomColor() {
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var letters = '0123456789ABCDEF';
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var color = '#';
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for (var i = 0; i < 6; i++) {
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color += letters[Math.floor(Math.random() * 16)];
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}
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return color;
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}
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remove() {
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var chart = this.chart;
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var calendar_id = this.calendar.id;
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var max_length = 0;
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var dataset_index = undefined;
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chart.data.datasets.forEach(function (item, index) {
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if(item.calendar_id == calendar_id) {
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dataset_index = index;
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} else {
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if (item.data.length > max_length) {
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max_length = item.data.length;
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}
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}
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});
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var color = null;
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if (dataset_index != undefined) {
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color = chart.data.datasets[dataset_index].backgroundColor;
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chart.data.datasets.splice(dataset_index, 1);
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chart.data.labels.splice(dataset_index, 1);
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}
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while (chart.data.labels.length > max_length) {
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chart.data.labels.pop("");
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}
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chart.update();
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return color;
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}
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}
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