gwt-visualization

问题 Assume an application exists where you have multiple different views, each containing multiple graphs of the same type. My question is, do I need to load the visualization API each time I create a new graph as shown in this example http://code.google.com/p/gwt-google-apis/wiki/VisualizationGettingStarted, or if I load the visualization once, do I no longer have to create a Runnable in order to wait when the visualization is loaded so the data can be displayed? 回答1: Yes,We cannot use Google

问题 I'm using gwt-visualization (a wrapper around Chart Tools). I have a ComboChart that includes two bar charts (stacked) and a line chart, and I want to add an annotation and annotationText to some rows. The DataTable is defined like this: private DataTable buildData() { DataTable data = DataTable.create(); data.addColumn(ColumnType.STRING, "Day"); data.addColumn(ColumnType.NUMBER, "Domain"); data.addColumn(ColumnType.NUMBER, "Domain (Source 1)"); data.addColumn(ColumnType.NUMBER, "Domain

问题 I am having difficulty in customizing default tool tip text of PieChart.Here are the details of of API: gwt-visualization 1.1.2, Gwt2.0 and Gxt 2.1.1. Here is the link what i have followed , but there is no luck. Code: JSNI: private native DataTable addTooltipColumn(DataTable data) /*-{ data.addColumn({type: 'string', role: 'tooltip'}); return data; }-*/; DataTable: private AbstractDataTable createTable() { DataTable data = DataTable.create(); data.addColumn(ColumnType.STRING, "Task"); data