[jboss-user] [JBoss Tools] - Notes about Visual Editor

[Yahor Radtsevich]

Yahor Radtsevich [http://community.jboss.org/people/yradtsevich] modified the document:

"Notes about Visual Editor"

To view the document, visit: http://community.jboss.org/docs/DOC-15275

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h2. Known problems in XULRunner 1.9.2
h3. org.mozilla.interfaces.inIFlasher
inIFlasher does not work on MacOS. It is needed to show a border around selected elements in VPE.
*Workaround:* To show a border on MacOS the following style is used: "border: 2px solid COLOR_NAME !important". But the workaround has a drawback: if the selected elements has its own border, it is not visible.
h3. draggesture event
XULRunner does not fire 'draggesture' event on Linux.
*Workaround:* Special button for Drag&Drop actions is used. Instead of listening to the 'draggesture' events, VPE listens to the 'mousedown' event on this button.
h3. org.mozilla.interfaces.nsIDragService.invokeDragSession(...)
The method invokeDragSession works differently on Windows and Linux. On Windows it exits *after* the session is ended. On Linux it exits *immediately*. The following snippet illustrates this:

document.addEventListener("dragstart", new nsIDOMEventListener() {
     nsISupports queryInterface(String uuid) {
          return null;
     }
     void handleEvent(nsIDOMEvent event) {
          nsIDragService dragService = (nsIDragService)
                Mozilla.getInstance().getServiceManager()
                         .getServiceByContractID("@mozilla.org/widget/dragservice;1",
                                   nsIDragService.NS_IDRAGSERVICE_IID);
          System.out.println("BEFORE invokeDragSession");
          dragService.invokeDragSession(node, transferables, null,
                nsIDragService.DRAGDROP_ACTION_MOVE
                        | nsIDragService.DRAGDROP_ACTION_COPY
                        | nsIDragService.DRAGDROP_ACTION_LINK);
          System.out.println("AFTER invokeDragSession");
     }
}, false);
document.addEventListener("dragend", new nsIDOMEventListener() {
     nsISupports queryInterface(String uuid) {
          return null;
     }
     void handleEvent(nsIDOMEvent event) {
          System.out.println("dragend");
     }
}, false);
document.addEventListener("dragover", new nsIDOMEventListener() {
     nsISupports queryInterface(String uuid) {
          return null;
     }
     void handleEvent(nsIDOMEvent event) {
          System.out.println("dragover");
     }
}, false);

*     Windows output:*
> BEFORE invokeDragSession
> dragover
> dragover
> ...
> dragover
> dragend
> AFTER invokeDragSession
*     Linux output:*
> BEFORE invokeDragSession
> AFTER invokeDragSession
> dragover
> dragover
> ...
> dragover
> dragend

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