Thank you so much for your valuable answer, and one more think i want to add this chart. When i expand this nose, that + sign(image) change to - sign(image) and similar to collapse on inverse process. Is it possible?
On Friday, September 21, 2012 9:20:43 PM UTC+5:30, asgallant wrote: > > When you click a node a second time, it deselects the node, so when you > click the node and then click the + sign, there is no selection to grab. > There are two ways to handle this: > > 1) clear the selection after a user selects the node (this happens in your > + sign event handler, but not in the node itself) > 2) track the previously selected node, and if the current selection is > empty, expand/collapse the previous node > > Also of note, your code adds another event listener to the div every time > the node is clicked, which is entirely unnecessary and will slow down the > application if users expand and collapse a node repeatedly. Use the jQuery > #on method to assign event handlers to your + signs once. Here's one way > of doing it: http://jsfiddle.net/asgallant/w8Ytq/ > -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-visualization-api/-/6vKuYkGr1qIJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
