VisualizationsForVaadin: set Object options

Flow
1

Dear all,

Google chart API (where VisualizationsForVaadin is build upon) has plenty of options to format the charts, e.g:

Option
hAxis.textStyle Object {color: ‘black’, fontName: , fontSize: }

VisualizationsForVaadin has an setOption for that, but doesn’t seem to support the “object” type for an option. I think there should be a setOption(String name, Map value) method or is there any other way to set complex options?

Regards,
Rudolf

2

Hey Rudolf

You got a answer or found a own solution for your question?

I have the same problem at the moment. I want to change the color and font-size of for example the titleTextStyle for a LineChart.

Regards

Andreas

3

Same problem here. Makes the addon not usable for me if there is not solution

4

Hi all,
I’ve encountered the same problem.And my workaround for the above problem is replacing the convertOptions method of VVisualizationWidget class with below code. It worked for me. Now I can set hAxis and vAxis options as declared in GWT Visualization gallery pages.

hope this helps,
kinds,


/**USAGE**/
LineChart chart = new LineChart();
chart.setOption("legend", "bottom");
chart.setOption("hAxis.title", "Tarih");
chart.setOption("vAxis.title", "Voltaj");


/**REPLACE METHOD AND RECOMPILE**/
protected AbstractDrawOptions convertOptions(String[] opNames, String[]
 opTypes, Object[] opValues) {
		AbstractDrawOptions ops = createOptions();
		if (opNames == null) {
			return ops;
		}
		AbstractDrawOptions temp = null;
		for (int i = 0; i < opNames.length; i++) {
			String name = opNames[i]
;
			String type = opTypes[i]
;
			Object value = opValues[i]
;

			if (name.contains(".")) {
				int index = name.indexOf(".");
				String objName = name.substring(0, index);
				name = name.substring(index + 1);
				try {
					temp = ops.getObject(objName).cast();
				} catch (TypeException e) {
					Window.alert("exception in convertOptions");
				}
				if (temp == null) {
					temp = JavaScriptObject.createObject().cast();
					ops.set(objName, temp);
				}
			} else {
				temp = ops;
			}

			ApplicationConnection.getConsole().log("Name " + name + " Type " + type + " Value " + value);
			if (OPTYPE_BOOLEAN.equals(type)) {
				ApplicationConnection.getConsole().log("BOOL");
				temp.set(name, ((Boolean) value).booleanValue());
			} else if (OPTYPE_INT.equals(type)) {
				ApplicationConnection.getConsole().log("INT " + value.toString());
				temp.set(name, Double.valueOf(value.toString()));
			} else if (OPTYPE_DOUBLE.equals(type)) {
				ApplicationConnection.getConsole().log("DOU");
				temp.set(name, ((Double) value).doubleValue());
			} else {
				ApplicationConnection.getConsole().log("STR " + name + " " + (String) value);

				temp.set(name, (String) value);

			}
		}

		ops.set("width", (double) getElement().getClientWidth());
		ops.set("height", (double) getElement().getClientHeight());
		return ops;
	}