Visualisierungsmodul für SuperX
http://www.superx-projekt.de/doku/viz_modul/
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747 lines
19 KiB
747 lines
19 KiB
/* d3 Code */ |
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function d3dataRow(nr,name,value ) |
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{ |
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this.nr=nr; |
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this.name=name; |
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this.value=value; |
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} |
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function chartPropertyValue(nr,name,value,isDefault ) |
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{ |
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this.nr=nr; |
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this.name=name; |
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this.value=value; |
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this.isDefault=isDefault; |
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} |
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function dimFunction(nr,name,value,isDefault ) |
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{ |
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this.nr=nr; |
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this.name=name; |
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this.value=value; |
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this.isDefault=isDefault; |
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} |
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function chartProperty(name,caption,isDynamic,isMeasure,isMandatory,staticValues,defaultValue,optionalFunction) |
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{ |
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this.name=name; |
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this.caption=caption; |
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this.isDynamic=isDynamic; |
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this.isMeasure=isMeasure; |
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this.staticValues=staticValues; |
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this.isMandatory=isMandatory; |
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this.defaultValue=defaultValue; |
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this.optionalFunction=optionalFunction; |
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this.getValueResultset = function () { |
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var valueOptions=[]; |
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var optionCounter=0; |
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if(isDynamic) |
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{ |
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for(var j=0;j < rsMetaData.length;j++) |
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{ |
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var isDefault=false; |
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if(rsMetaData[j].colcaption.trim() !="" && |
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(isMeasure==false || rsMetaData[j].coltype == 4 || rsMetaData[j].coltype == 3) |
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) |
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{ |
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if(rsMetaData[j].colcaption==defaultValue) |
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isDefault=true; |
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var o=new chartPropertyValue(rsMetaData[j].nr,rsMetaData[j].colcaption,rsMetaData[j].colname,isDefault); |
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valueOptions[optionCounter]=o; |
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optionCounter++; |
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} |
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} |
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} |
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else |
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{ |
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var staticValuesArray = staticValues.split(/\|/); |
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for(var k=0;k < staticValuesArray.length;k++) |
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{ |
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var isDefault=false; |
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if(rsMetaData[j].colcaption==defaultValue) |
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isDefault=true; |
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var o=new chartPropertyValue(k,staticValuesArray[k],staticValuesArray[k],isDefault); |
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valueOptions[k]=o; |
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} |
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} |
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return valueOptions; |
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} |
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} |
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function prepareChartProperties(chartType) |
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{ |
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var dimFunctions=[]; |
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var myFunction= new dimFunction(0,"Wort 1 ans Ende","switchWord1and2ff",false); |
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dimFunctions[0]=myFunction; |
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var chartProperties=[]; |
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switch (chartType) { |
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case "bar_x": |
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chartProperties=prepareBarXForm(); |
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break; |
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case "bar_y": |
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chartProperties=prepareBarYForm(); |
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break; |
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case "line": |
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chartProperties=prepareLineForm(); |
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break; |
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default: |
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return false; |
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break; |
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} |
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renderForm("chartProperties",chartProperties,commonChartProperties,dimFunctions); |
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return true; |
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} |
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function prepareBarXForm() |
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{ |
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var chartProperties=[]; |
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var propertyCounter=0; |
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var myProp= new chartProperty("viz_category_dim","Kategorie-Dimension",true,false,true,null,null,true); |
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chartProperties[0]=myProp; |
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var myProp= new chartProperty("viz_measure_dim","Maß",true,true,false,true,null,true); |
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chartProperties[1]=myProp; |
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return chartProperties; |
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} |
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function prepareBarYForm() |
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{ |
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var chartProperties=[]; |
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var propertyCounter=0; |
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var myProp= new chartProperty("viz_category_dim","Kategorie-Dimension",true,false,true,null,null,true); |
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chartProperties[0]=myProp; |
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var myProp= new chartProperty("viz_series_dim","Serien-Dimension",true,false,false,null,null,true); |
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chartProperties[1]=myProp; |
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var myProp= new chartProperty("viz_measure_dim","Maß",true,true,true,null,null,true); |
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chartProperties[2]=myProp; |
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return chartProperties; |
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} |
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function prepareLineForm() |
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{ |
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var chartProperties=[]; |
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var propertyCounter=0; |
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var myProp= new chartProperty("viz_category_dim","X-Achse",true,false,true,null,null,true); |
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chartProperties[0]=myProp; |
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var myProp= new chartProperty("viz_measure_dim","Y-Achse",true,true,true,null,null,true); |
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chartProperties[1]=myProp; |
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return chartProperties; |
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} |
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function renderForm(formDiv,chartProperties,myCommonChartProperties,dimFunctions) |
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{ |
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//first empty form: |
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var myForm=document.getElementById(formDiv); |
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while (myForm.firstChild) { |
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myForm.removeChild(myForm.firstChild); |
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} |
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//now fill it: |
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const tabElem = document.createElement("table"); |
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myForm.appendChild(tabElem); |
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for(var k=0;k < chartProperties.length;k++) |
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{ |
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const rowElem = document.createElement("tr"); |
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const tdCap = document.createElement("td"); |
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const textnode = document.createTextNode(chartProperties[k].caption); |
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tdCap.appendChild(textnode); |
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const tdSelElem = document.createElement("td"); |
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const selElem = document.createElement("select"); |
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selElem.name=chartProperties[k].name; |
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selElem.id=chartProperties[k].name; |
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fillSelectOptions(selElem,chartProperties[k].getValueResultset(),chartProperties[k].isMandatory); |
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tdSelElem.appendChild(selElem); |
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if(chartProperties[k].optionalFunction) |
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{ |
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const fnElemLabel = document.createTextNode(" opt. Fkt.: "); |
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const fnSelElem = document.createElement("select"); |
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fnSelElem.name=chartProperties[k].name+"_fn"; |
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fnSelElem.id=chartProperties[k].name+"_fn"; |
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fillSelectOptions(fnSelElem,dimFunctions,false); |
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tdSelElem.appendChild(fnElemLabel); |
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tdSelElem.appendChild(fnSelElem); |
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} |
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rowElem.appendChild(tdCap); |
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rowElem.appendChild(tdSelElem); |
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//here values, and then: |
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tabElem.appendChild( rowElem); |
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} |
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/* |
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const rowElem = document.createElement("tr"); |
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const tdCap = document.createElement("td"); |
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const textnode = document.createTextNode("Breite"); |
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tdCap.appendChild(textnode); |
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const tdInpElem = document.createElement("td"); |
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const inpElem = document.createElement("input"); |
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inpElem.id="viz_width"; |
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inpElem.name="viz_width"; |
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inpElem.type="text"; |
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inpElem.value="800"; |
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tdInpElem.appendChild(inpElem); |
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rowElem.appendChild(tdCap); |
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rowElem.appendChild(tdInpElem); |
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tabElem.appendChild(rowElem); |
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*/ |
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myForm.appendChild(tabElem); |
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//TODO: myCommonChartProperties auf separatem TAB |
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} |
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function fillSelectOptions(myCombo,myValues,isMandatory) |
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{ |
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var optionCounter=0; |
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var selectedOption=null; |
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while (myCombo.firstChild) { |
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myCombo.removeChild(myCombo.firstChild); |
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} |
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var optionCounter=0; |
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if(!isMandatory) |
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{ |
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//add an empty option: |
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var o=new Option("",""); |
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myCombo.options[optionCounter]=o; |
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optionCounter++; |
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} |
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for(var j=0;j < myValues.length;j++) |
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{ |
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if(myValues[j].isDefault) |
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selectedOption=optionCounter; |
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var o=new Option(myValues[j].name,myValues[j].value,null,null); |
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myCombo.options[optionCounter]=o; |
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optionCounter++; |
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} |
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if(selectedOption!=null) |
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myCombo.selectedIndex=selectedOption; |
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} |
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function prepareData() |
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{ |
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var data=[]; |
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var rowcount=rs.length; |
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var colnrOfCategorydimName=document.getElementById("viz_category_dim").value; |
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var colnrOfMeasure=document.getElementById("viz_measure_dim").value; |
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var functionOfCategoryDim=document.getElementById("viz_category_dim_fn").value; |
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var functionOfMeasureDim=document.getElementById("viz_measure_dim_fn").value; |
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var maxLenName=0; |
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var maxValue=0; |
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for(j=1;j<rowcount;j++) |
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{ |
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console.log(rs.length+"-"+j+"-"+colnrOfCategorydimName); |
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if(rs[j][colnrOfCategorydimName]) //only if Name is not empty: |
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{ |
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var categoryDimValue=rs[j][colnrOfCategorydimName]; |
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var measureDimValue=rs[j][colnrOfMeasure]; |
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if(functionOfCategoryDim !="") |
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categoryDimValue=applyFunction(categoryDimValue,functionOfCategoryDim); |
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if(functionOfMeasureDim !="") |
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measureDimValue=applyFunction(measureDimValue,functionOfMeasureDim); |
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data.push(new d3dataRow(j,categoryDimValue,measureDimValue)); |
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//identify max String length to compute x axis size |
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if(categoryDimValue.length >maxLenName) |
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maxLenName=categoryDimValue.length; |
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//the same for values: |
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if(measureDimValue >maxValue) |
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maxValue=measureDimValue; |
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} |
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} |
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return data; |
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} |
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function showDataTable() |
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{ |
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tableDiv=document.getElementById("tableDiv"); |
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tableDiv.innerHTML=""; //reset table |
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var rowcount=rs.length; |
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const tabElem = document.createElement("table"); |
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tabElem.border="1"; |
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tabElem.width="100%"; |
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const rowElem = document.createElement("tr"); |
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for(var col=0;col < rsMetaData.length;col++) |
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{ |
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const thCap = document.createElement("th"); |
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const textnode = document.createTextNode(rsMetaData[col].colcaption); |
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thCap.appendChild(textnode); |
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rowElem.appendChild(thCap); |
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} |
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tabElem.appendChild(rowElem); |
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for(row=1;row<rowcount;row++) |
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{ |
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if(rs[row]) |
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{ |
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const rowElem = document.createElement("tr"); |
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for(var col=1;col < rs[row].length;col++) |
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{ |
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const tdCap = document.createElement("td"); |
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if(rs[row][col]) |
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{ |
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const textnode = document.createTextNode(rs[row][col]); |
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tdCap.appendChild(textnode); |
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} |
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rowElem.appendChild(tdCap); |
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} |
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tabElem.appendChild(rowElem); |
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} |
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} |
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tableDiv.appendChild(tabElem); |
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} |
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function createChart() |
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{ |
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chartType=document.getElementById("viz_chart_type").value; |
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/* |
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if(document.getElementById("viz_category_dim").value=="" || |
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document.getElementById("viz_measure_dim").value=="" ) |
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{ |
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alert("Bitte wählen Sie eine Kategorie und ein Maß"); |
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return false; |
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} |
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*/ |
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var data=[]; |
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//data=prepareData(); |
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var valueLabelWidth = getCommonChartProperty("valueLabelWidth"); |
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var fontFamily=getCommonChartProperty("fontFamily"); |
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var gridLabelHeight = getCommonChartProperty("gridLabelHeight"); |
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var gridChartOffset = getCommonChartProperty("gridChartOffset"); |
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var chartWidth=getCommonChartProperty("chartWidth"); |
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var fontSize=getCommonChartProperty("fontSize"); |
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svg,data |
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document.getElementById("chartDiv").innerHTML=""; //reset canvas |
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var svg = d3.select("#chartDiv").append("svg") |
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.attr("width", chartWidth) //maxBarWidth + barLabelWidth + valueLabelWidth) |
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//.attr("height", y.range()[1]) |
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.attr("font-family", fontFamily) |
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.attr("font-size", fontSize) |
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.attr("text-anchor", "start") |
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.attr("id", "chartSVG") |
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; |
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switch (chartType) |
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{ |
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case "sample": |
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makeSample(); |
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break; |
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case "bar_x": |
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makeBarX(); |
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break; |
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case "bar_x_alt": |
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makeBarX(svg,data); |
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break; |
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case "bar_y": |
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makeBarY(); |
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break; |
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case "line": |
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makeLine(); |
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break; |
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default: |
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alert("Please select a chart type"); |
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break; |
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} |
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} |
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function makeBarX_alt(svg,data) |
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{ |
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var barHeight = 18; |
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var barLabelWidth = 500; |
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var barLabelPadding = 10; |
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var maxBarWidth = maxValue; |
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var fontSize=getCommonChartProperty("fontSize"); |
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var chartWidth=getCommonChartProperty("chartWidth"); |
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var maxValue=d3.max(data, d => d.value); |
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var maxLenName=d3.max(data, d => d.name.length); |
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var maxLenNamePx=maxLenName*fontSize; |
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var x = d3.scaleLinear().domain([0, d3.max(data, d => d.value)]).range([0, chartWidth]); |
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var y = d3.scaleBand().domain(data.map(d => d.nr)).range([0, barHeight * data.length]); |
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const bar = svg.selectAll("g") |
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.data(data) |
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.join("g") |
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.attr("transform", d => `translate(${maxLenNamePx},${y(d.nr)})`) |
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; |
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bar.append("rect") |
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.attr("fill", "steelblue") |
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.on("mouseover",function(){ |
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d3.select(this).attr("fill", "red"); |
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}) |
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.on("mouseout",function(){ |
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d3.select(this).attr("fill", "steelblue"); |
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}) |
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.transition() |
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.duration(750) |
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.delay(function(d, i) { return i * 10; }) |
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.attr("width", d => x(d.value)) //x) |
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.attr("height", y.bandwidth() - 1) |
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; |
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//value label: |
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bar.append("text") |
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.attr("fill", "white") |
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.attr("x", d => x(d.value)/2) |
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.attr("y", (y.bandwidth() - 1) / 2) |
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.attr("dy", "0.35em") |
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.attr("text-anchor","middle") |
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.text(d => d.value); |
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//label: |
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bar.append("text") |
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.attr("fill", "black") |
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.attr("x", 0) |
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.attr("y", (y.bandwidth() - 1) / 2) |
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.attr("dy", "0.35em") |
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.attr("text-anchor","end") |
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.text(d => d.name); |
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} |
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function makeLine_alt(svg,data) { |
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var xLabel=rsMetaData[document.getElementById("viz_category_dim").value-1].colcaption; |
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var yLabel=rsMetaData[document.getElementById("viz_measure_dim").value-1].colcaption; |
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var fontSize=getCommonChartProperty("fontSize"); |
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var maxLenName=d3.max(data, d => d.name.length); |
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var maxLenNamePx=maxLenName*fontSize/1.5; |
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var marginLeftPx=xLabel.length*fontSize; |
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var options = { |
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marginBottom:maxLenNamePx, |
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marginLeft:marginLeftPx, |
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x: { |
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tickRotate: -45, |
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ticks: 5, |
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tickSize: 5, |
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line: true, |
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tickPadding: 10, |
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labelAnchor: "left", |
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labelOffset: 0, |
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nice: true, |
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label: xLabel, |
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type:"point" |
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}, |
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// set y axis options |
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y: { |
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grid:true, |
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label: yLabel |
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}, |
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sort: "nr", |
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// define the marks we will use, dots and a line |
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marks: [ |
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Plot.line(data, {x: "name", y: "value",curve:"linear"}), |
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Plot.dot(data, {x: "name", y: "value" }) |
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] |
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}; |
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document.getElementById("chartDiv").appendChild(Plot.plot(options)); |
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} |
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function makeSample() |
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{ |
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var sales = [4]; |
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sales = [ |
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{units: 10, fruit: "fig"}, |
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{units: 20, fruit: "date"}, |
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{units: 40, fruit: "plum"}, |
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{units: 30, fruit: "plum"} |
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]; |
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document.getElementById("chartDiv").appendChild(Plot.dot(sales, |
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{x: "units", y: "fruit"} |
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).plot()); |
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} |
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function getChartOptions(categoryDim,measureDim,marksArray,chartOrientationVertical) |
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{ |
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var options; |
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var categoryDim=document.getElementById("viz_category_dim").value; |
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var measureDim=document.getElementById("viz_measure_dim").value; |
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var fontSizeDefault=getCommonChartProperty("fontSize"); |
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var chartWidth=getCommonChartProperty("chartWidth"); |
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var marginLeftDefault=chartWidth/5; //20% liner Rand |
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var marginBottomDefault=100; |
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var categoryLabel=getColumnCaption(categoryDim); |
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var measureLabel=getColumnCaption(measureDim); |
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if(chartOrientationVertical) |
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{ |
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options={ |
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marginLeft:marginLeftDefault, |
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marginBottom:marginBottomDefault, |
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fontSize:fontSizeDefault, |
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x: { |
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tickRotate: -45, |
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label:categoryLabel |
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}, |
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// set y axis options |
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y: { |
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grid:true, |
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label: measureLabel |
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}, |
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marks: marksArray |
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} |
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} |
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else |
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{ |
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options={ |
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marginLeft:marginLeftDefault, |
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marginBottom:marginBottomDefault, |
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fontSize:fontSizeDefault, |
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y: { |
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label:categoryLabel |
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}, |
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x: { |
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tickRotate: -45, |
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grid:true, |
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label: measureLabel |
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}, |
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marks: marksArray |
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} |
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} |
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document.getElementById("chartOptions").innerHTML=JSON.stringify(options); |
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return options; |
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} |
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function makeBarX() { |
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var categoryDim=document.getElementById("viz_category_dim").value; |
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var measureDim=document.getElementById("viz_measure_dim").value; |
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var marksArray=new Array(); |
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marksArray[0]=Plot.barX(rs, |
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{ |
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x: measureDim, |
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y: categoryDim |
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}); |
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var options= getChartOptions(categoryDim,measureDim,marksArray,false); |
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document.getElementById("chartDiv").appendChild(Plot.plot(options)); |
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} |
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function makeBarY() { |
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var categoryDim=document.getElementById("viz_category_dim").value; |
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var measureDim=document.getElementById("viz_measure_dim").value; |
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var marksArray=new Array(); |
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marksArray[0]=Plot.barY(rs, |
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{ |
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y: measureDim, |
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x: categoryDim |
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}); |
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var options= getChartOptions(categoryDim,measureDim,marksArray,true); |
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|
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document.getElementById("chartDiv").appendChild(Plot.plot(options)); |
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} |
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function makeLine() { |
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var categoryDim=document.getElementById("viz_category_dim").value; |
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var measureDim=document.getElementById("viz_measure_dim").value; |
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var marksArray=new Array(); |
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marksArray[0]=Plot.line(rs, |
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{ |
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y: measureDim, |
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x: categoryDim, |
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curve: "linear" |
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}); |
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marksArray[1]=Plot.dot(rs, |
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{ |
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y: measureDim, |
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x: categoryDim |
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}); |
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var options= getChartOptions(categoryDim,measureDim,marksArray,true); |
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|
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document.getElementById("chartDiv").appendChild(Plot.plot(options)); |
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} |
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function makeBarY_alt(svg,data) { |
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var xLabel=rsMetaData[document.getElementById("viz_category_dim").value-1].colcaption; |
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var yLabel=rsMetaData[document.getElementById("viz_measure_dim").value-1].colcaption; |
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var fontSize=getCommonChartProperty("fontSize"); |
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var maxLenName=d3.max(data, d => d.name.length); |
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var maxLenNamePx=maxLenName*fontSize/1.5; |
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var marginLeftPx=xLabel.length*fontSize; |
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|
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var options = { |
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marginBottom:maxLenNamePx, |
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marginLeft:marginLeftPx, |
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x: { |
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tickRotate: -45 |
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}, |
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// set y axis options |
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y: { |
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grid:true, |
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label: yLabel |
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}, |
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|
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marks: [ |
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Plot.barY(data, |
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Plot.groupX( |
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{y: "sum"}, |
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{ |
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x: "name", |
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y: "value" |
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} |
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) |
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) |
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] |
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} |
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document.getElementById("chartDiv").appendChild(Plot.plot(options)); |
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} |
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function getCommonChartProperty(name) |
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{ |
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var propertyValue=""; |
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for (var i=0;i<commonChartProperties.length;i++) |
|
{ |
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if(commonChartProperties[i].name==name) |
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propertyValue=commonChartProperties[i].defaultValue; //TODO aus formular übersteuern |
|
} |
|
return propertyValue; |
|
} |
|
|
|
|
|
function showSrcCode() |
|
{ |
|
var myChartDiv= document.getElementById("chartDiv"); |
|
var numberOfChildNodes=myChartDiv.childNodes.length; |
|
var svg_xml =""; |
|
for (var i=0;i<numberOfChildNodes;i++) |
|
{ |
|
var myNode=myChartDiv.childNodes[i]; |
|
if(myNode.nodeName=="svg") |
|
{ |
|
var mySvg=myNode; //document.getElementById("chartSVG"); |
|
// Extract the data as SVG text string |
|
svg_xml = (new XMLSerializer).serializeToString(mySvg); |
|
} |
|
} |
|
//alert(svg_xml); |
|
document.getElementById("chartSrc").innerHTML=svg_xml; |
|
document.getElementById("chartSrcFields").style.visibility="visible"; |
|
/* |
|
const selection = window.getSelection(); |
|
const range = document.createRange(); |
|
range.selectNodeContents(ergtabelle); |
|
selection.removeAllRanges(); |
|
selection.addRange(range); |
|
|
|
document.execCommand('copy'); |
|
selection.removeAllRanges(); |
|
|
|
alert("Angezeigte Tabelle wurde in die Zwischenablage kopiert."); |
|
*/ |
|
} |
|
function showOptionsCode() |
|
{ |
|
document.getElementById("chartOptionsFields").style.visibility="visible"; |
|
|
|
} |
|
function copySrcCode(mydiv) |
|
{ |
|
var ergtabelle=document.getElementById(mydiv); |
|
const selection = window.getSelection(); |
|
const range = document.createRange(); |
|
range.selectNodeContents(ergtabelle); |
|
selection.removeAllRanges(); |
|
selection.addRange(range); |
|
|
|
document.execCommand('copy'); |
|
selection.removeAllRanges(); |
|
} |
|
|
|
|
|
|
|
function makeHisto() { |
|
d3.csv( "/superx/xml/js/d3/dense.csv" ).then( function( data ) { |
|
var histo = d3.histogram().value( d=>+d.A )( data ); |
|
var height=400; |
|
var scX = d3.scaleBand().padding( 0.2 ).round( true ) |
|
.range( [15, 515] ).domain( histo ); |
|
|
|
var scY = d3.scaleLinear().range( [height, 0] ) |
|
.domain( [0, d3.max( histo, d=>d.length ) ] ).nice(); |
|
|
|
var g = d3.select("#chartDiv").append("svg") |
|
.append( "g" ).attr( "transform", "translate( 40,50 )" ) |
|
|
|
g.selectAll( "rect" ).data( histo ).enter() |
|
.append( "rect" ).attr( "width", scX.bandwidth() ) |
|
.attr( "x", scX ).attr( "y", d=>scY(d.length) ) |
|
.attr( "height", d => height-scY(d.length) ) |
|
.attr( "fill", "red" ).attr( "fill-opacity", 0.2 ) |
|
.attr( "stroke", "red" ).attr( "stroke-width", 2 ) |
|
|
|
g.selectAll( "text" ).data( histo ).enter().append( "text" ) |
|
.attr( "text-anchor", "middle" ) |
|
.attr( "font-family", "sans-serif" ) |
|
.attr( "font-size", 14 ) |
|
.attr( "x", d => scX(d)+0.5*scX.bandwidth() ) |
|
.attr( "y", 225 ) |
|
.text( d=>(d.x0+d.x1)/2 ); |
|
|
|
g.append( "g" ).call( d3.axisLeft(scY) ); |
|
} ); |
|
} |
|
function applyFunction(theValue,theFunction) |
|
{ |
|
switch (theFunction) { |
|
case "switchWord1and2ff": |
|
var ret=switchWord1and2ff(theValue); |
|
break; |
|
default: |
|
var ret=theValue; |
|
break; |
|
} |
|
|
|
return ret; |
|
|
|
} |
|
|
|
function switchWord1and2ff(theString) |
|
{ |
|
//erzeugt z.B. aus "WiSe 2020/2021" den Wert "2020/2021", zum Sortieren |
|
var theWords = theString.split(/ /); |
|
var word1=theWords[0]; |
|
var word2=""; |
|
var ret=""; |
|
if(theWords.length >1) |
|
{ |
|
for(var k=1;k < theWords.length;k++) |
|
{ |
|
word2+= theWords[k]; |
|
} |
|
ret +=word2; |
|
} |
|
ret+=" "+ word1; |
|
return ret.trim(); |
|
} |
|
|
|
function getColumnCaption(columnName) |
|
{ |
|
let rsMetaDataLen = rsMetaData.length; |
|
var colCaption=columnName; |
|
for (let i = 0; i < rsMetaDataLen; i++) { |
|
if(rsMetaData[i].colname ==columnName) |
|
colCaption=rsMetaData[i].colcaption; |
|
} |
|
return colCaption; |
|
}
|
|
|