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386 lines
14 KiB
Java
386 lines
14 KiB
Java
package org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs;
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import org.gcube.portlets.user.accountingdashboard.client.resources.AppResources;
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import org.gcube.portlets.user.accountingdashboard.shared.data.ReportElementData;
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import com.google.gwt.event.logical.shared.AttachEvent;
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import com.google.gwt.user.client.ui.HTMLPanel;
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/**
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*
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* @author Giancarlo Panichi
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*
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*/
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public class Chart extends HTMLPanel {
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private String name;
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private ReportElementData reportElementData;
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public Chart(AppResources resources, String name, ReportElementData reportElementData) {
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super("<div class='dropdown'>" + "<button class='btn dropdown-toggle' "
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+ "type='button' style='float:right;max-width:80px;' data-toggle='dropdown'><span class='"
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+ resources.uiDataCss().uiDataIconSettings() + "'></span>" + "<span class='caret'></span>" + "</button>"
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+ "<ul class='" + resources.uiDataCss().uiDataChartMenuPosition() + " dropdown-menu'>" + "<li><a id='"
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+ name + "_ExportJPEG' href='#' download='" + reportElementData.getLabel() + ".jpeg'>Export JPEG</a>"
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+ "</li>" + "<li><a id='" + name + "_ExportPNG' href='#' download='" + reportElementData.getLabel()
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+ ".png'>Export PNG</a>" + "</li>" + "<li><a id='" + name + "_ExportPDF' href='#' download='"
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+ reportElementData.getLabel() + ".pdf'>Export PDF</a>" + "</li>" + "<li><a id='" + name
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+ "_ExportCSV' href='#' download='" + reportElementData.getLabel() + ".csv'>Export CSV</a>" + "</li>"
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+ "</ul>" + "</div>" + "<canvas id=" + name + " class='" + resources.uiDataCss().uiDataChartCanvas()
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+ "'></canvas>");
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this.name = name;
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this.reportElementData = reportElementData;
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this.addStyleName(resources.uiDataCss().uiDataChartWrapper());
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addAttachHandler(new AttachEvent.Handler() {
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@Override
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public void onAttachOrDetach(AttachEvent event) {
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if (event.isAttached()) {
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drawChart();
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}
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}
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});
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}
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public String getName() {
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return name;
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}
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public ReportElementData getReportElementData() {
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return reportElementData;
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}
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public void forceLayout() {
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redrawChart();
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}
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private static native void getCanvas(Chart chart)/*-{
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var name = chart.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::name;
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console.log('Element name: ' + name);
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var element = this;
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var canvas = $doc.getElementById(name);
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console.log('Canvas: ' + canvas);
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canvas.style.display = 'block';
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canvas.style.visibility = 'visible';
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canvas.width = 800;
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canvas.height = 600;
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var w = canvas.width;
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var h = canvas.height;
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console.log('Canvas dimensions: ' + w + ' x ' + h);
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return canvas;
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}-*/;
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private native void createMenu()/*-{
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console.log('CreateMenu()');
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console.log('This: ' + this);
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var name = this.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::name;
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//Export JPEG
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var elementNameJPEG = name + '_ExportJPEG';
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var exportJPEGElement = $doc.getElementById(elementNameJPEG);
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console.log('ExportJPEGElement: ' + exportJPEGElement);
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exportJPEGElement.onclick = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::saveImageJPEG(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(this);
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//Export PNG
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var elementNamePNG = name + '_ExportPNG';
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var exportPNGElement = $doc.getElementById(elementNamePNG);
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console.log('ExportPNGElement: ' + exportPNGElement);
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exportPNGElement.onclick = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::saveImagePNG(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(this);
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//Export PDF
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var elementNamePDF = name + '_ExportPDF';
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var exportPDFElement = $doc.getElementById(elementNamePDF);
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console.log('ExportPDFElement: ' + exportPDFElement);
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exportPDFElement.onclick = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::saveFilePDF(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;Ljava/lang/String;)(this,exportPDFElement.download);
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//Export CSV
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var elementNameCSV = name + '_ExportCSV';
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var exportCSVElement = $doc.getElementById(elementNameCSV);
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console.log('ExportCSVElement: ' + exportCSVElement);
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exportCSVElement.onclick = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::saveFileCSV(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(this);
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}-*/;
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private static native void saveImageJPEG(Chart chart)/*-{
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console.log('saveImageJPEG()');
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var name = chart.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::name;
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console.log('Element name: ' + name);
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var canvas = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::getCanvas(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(chart);
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return function() {
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console.log('Save file jpeg');
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//Set Background White
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var w = canvas.width;
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var h = canvas.height;
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var ctx = canvas.getContext('2d');
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var data = ctx.getImageData(0, 0, w, h);
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var compositeOperation = ctx.globalCompositeOperation;
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ctx.globalCompositeOperation = "destination-over";
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ctx.fillStyle = '#ffffff';
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ctx.fillRect(0, 0, w, h);
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var image = canvas.toDataURL("image/jpeg").replace("image/jpeg",
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"image/octet-stream");
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ctx.clearRect(0, 0, w, h);
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ctx.putImageData(data, 0, 0);
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ctx.globalCompositeOperation = compositeOperation;
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this.href = image;
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};
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}-*/;
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private static native void saveImagePNG(Chart chart)/*-{
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console.log('saveImagePNG()');
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var name = chart.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::name;
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console.log('Element name: ' + name);
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var canvas = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::getCanvas(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(chart);
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return function() {
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console.log('Save file png');
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var image = canvas.toDataURL("image/png").replace("image/png",
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"image/octet-stream");
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this.href = image;
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};
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}-*/;
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private static native void saveFilePDF(Chart chart, String filename)/*-{
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console.log('saveFilePDF()');
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var name = chart.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::name;
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console.log('Element name: ' + name);
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var canvas = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::getCanvas(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(chart);
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return function() {
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console.log('Save file pdf');
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var image = canvas.toDataURL("image/png", 1.0).replace("image/png",
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"image/octet-stream");
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var doc = new jsPDF('landscape');
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doc.setFontSize(20);
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doc.addImage(image, 'JPEG', 10, 10, 280, 150);
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doc.save(filename);
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return false;
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};
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}-*/;
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private static native void saveFileCSV(Chart chart)/*-{
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console.log('saveFileCSV()');
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var reportElementData = chart.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::reportElementData;
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console.log('ReportElementData: ' + reportElementData);
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return function() {
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console.log('Save file csv');
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var serieses = reportElementData.getSerieses();
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var seriesesLen = serieses.length;
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console.log('Serieses lenght: ' + seriesesLen);
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var csvContent = "data:text/csv;charset=utf-8,";
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for (var i = 0; i < seriesesLen; i++) {
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var seriesData = serieses[i];
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var dataRow = seriesData.getDataRow();
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var dataRowLen = dataRow.length;
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var dataArray = [];
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if (i == 0) {
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var heading = "Date";
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var datasetRow = seriesData.getLabel();
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for (var j = 0; j < dataRowLen; j++) {
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var recordData = dataRow[j];
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heading += "," + recordData.getX();
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datasetRow += "," + recordData.getY();
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}
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var csvData = heading + "\n" + datasetRow + "\n";
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var csvDataEncoded = encodeURI(csvData);
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csvContent += csvDataEncoded;
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} else {
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var datasetRow = seriesData.getLabel();
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for (var j = 0; j < dataRowLen; j++) {
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var recordData = dataRow[j];
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datasetRow += "," + recordData.getY();
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}
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var csvData = datasetRow + "\n";
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var csvDataEncoded = encodeURI(csvData);
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csvContent += csvDataEncoded;
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}
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}
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this.href = csvContent;
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};
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}-*/;
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private static native void getScales(Chart chart)/*-{
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var reportElementData = chart.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::reportElementData;
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var xAxisLabel = reportElementData.getxAxis();
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var yAxisLabel = reportElementData.getyAxis();
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var scalesType = {
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xAxes : [ {
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scaleLabel : {
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display : true,
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labelString : xAxisLabel
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}
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} ],
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yAxes : [ {
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scaleLabel : {
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display : true,
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labelString : yAxisLabel
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},
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ticks : {
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beginAtZero : true
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}
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} ]
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};
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return scalesType;
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}-*/;
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private native void redrawChart() /*-{
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console.log('RedrawChart()');
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var canvas = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::getCanvas(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(this);
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this.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::drawChart()();
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}-*/;
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private native void drawChart() /*-{
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var seedPalette = 0;
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function getRandomColor() {
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var palette = [ '#87CEEB', '#DAA520', '#3CB371', '#FF4500',
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'#8FBC8F', '#FF00FF', '#BDB76B', '#5F9EA0', '#A0522D',
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'#6B8E23', '#FFA07A', '#696969', '#DDA0DD', '#C71585',
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'#1E90FF', '#D2B48C', '#90EE90', '#B22222', '#00CED1',
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'#9400D3', '#FFDAB9', '#663399', '#FFE4C4', '#ADFF2F',
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'#FF0000', '#00FFFF', '#483D8B', '#FFFF00', '#00008B',
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'#FFDEAD', '#7CFC00', '#FF6347', '#AFEEEE', '#6A5ACD',
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'#FFFACD', '#0000CD', '#F5DEB3', '#00FF00', '#FF7F50',
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'#7FFFD4', '#7B68EE', '#FFEFD5', '#0000FF', '#DEB887',
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'#32CD32', '#FFA500', '#40E0D0', '#9370DB', '#FFE4B5',
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'#4169E1', '#BC8F8F', '#98FB98', '#8B0000', '#48D1CC',
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'#800080', '#EEE8AA', '#00BFFF', '#F4A460', '#00FA9A',
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'#800000', '#556B2F', '#8A2BE2', '#F0E68C', '#6495ED',
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'#B8860B', '#2E8B57', '#FFD700', '#66CDAA', '#9932CC',
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'#FFC0CB', '#87CEFA', '#CD853F', '#228B22', '#DC143C',
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'#20B2AA', '#BA55D3', '#FFB6C1', '#B0E0E6', '#D2691E',
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'#008000', '#CD5C5C', '#008B8B', '#FF00FF', '#FF69B4',
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'#B0C4DE', '#808000', '#006400', '#F08080', '#008080',
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'#EE82EE', '#FF1493', '#4682B4', '#8B4513', '#9ACD32',
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'#FA8072', '#778899', '#DA70D6', '#DB7093' ];
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seedPalette = (seedPalette) % palette.length;
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var color = palette[seedPalette];
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seedPalette += 1;
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return color;
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}
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this.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::createMenu()();
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var canvas = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::getCanvas(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(this);
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console.log('Canvas: ' + canvas);
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var reportElementData = this.@org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::reportElementData;
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var serieses = reportElementData.getSerieses();
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var seriesesLen = serieses.length;
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console.log('Serieses lenght: ' + seriesesLen);
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var datasetsArray = [];
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var labelsArray = []
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for (var i = 0; i < seriesesLen; i++) {
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var seriesData = serieses[i];
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console.log('SeriesData: ' + seriesData);
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var dataRow = seriesData.getDataRow();
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var dataRowLen = dataRow.length;
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var dataArray = [];
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if (i == 0) {
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for (var j = 0; j < dataRowLen; j++) {
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var recordData = dataRow[j];
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dataArray.push(recordData.getY());
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labelsArray.push(recordData.getX());
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}
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} else {
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for (var j = 0; j < dataRowLen; j++) {
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var recordData = dataRow[j];
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dataArray.push(recordData.getY());
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}
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}
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var colorChart = getRandomColor();
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datasetsArray.push({
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label : seriesData.getLabel(),
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backgroundColor : colorChart,
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borderColor : colorChart,
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borderWidth : 1,
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data : dataArray
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});
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}
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var barChartData = {
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labels : labelsArray,
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datasets : datasetsArray
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};
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var label = [ reportElementData.getLabel(), ' [',
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reportElementData.getCategory(), ']' ].filter(Boolean).join("");
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var scalesType = @org.gcube.portlets.user.accountingdashboard.client.application.mainarea.report.chartjs.Chart::getScales(Lorg/gcube/portlets/user/accountingdashboard/client/application/mainarea/report/chartjs/Chart;)(this);
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var ctx = canvas.getContext('2d');
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console.log('Create chart');
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var timeOut = setTimeout(function() {
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var chart = new Chart(ctx, {
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// The type of chart we want to create
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type : 'bar',
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data : barChartData,
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backgroundColor : "#FFFFFF",
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options : {
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animation : false,
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responsive : false,
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maintainAspectRatio : false,
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aspectRatio : 1, // width == height
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legend : {
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position : 'top',
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},
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title : {
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display : true,
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text : label
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},
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scales : scalesType,
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tooltips : {
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enabled : true,
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mode : 'point',
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intersect : true
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},
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zoom : {
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enabled : true,
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mode : 'xy',
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limits : {
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max : 20,
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min : 0.1
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}
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}
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}
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});
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chart.update();
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console.log('Canvas offset: left=' + canvas.offsetLeft + ', top='
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+ canvas.offsetTop);
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clearTimeout(timeOut);
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}, 300);
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}-*/;
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}
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