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Make preventDefault() work on IE too.

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This commit is contained in:
Jürg Lehni 2011-04-27 12:41:52 +01:00
parent ae3ec6f2d7
commit ccbdb2abe3
1 changed files with 11 additions and 5 deletions
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16
src/ui/Key.js
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@ -42,7 +42,8 @@ var Key = new function() {
// Call the onKeyDown or onKeyUp handler if present: // Call the onKeyDown or onKeyUp handler if present:
// TODO: don't call the key handler if the key is a modifier? // TODO: don't call the key handler if the key is a modifier?
if (paper.tool[toolHandler]) { if (paper.tool[toolHandler]) {
var preventDefault = paper.tool[toolHandler]({ // TODO: Introduce a class for this?
var keyEvent = {
type: keyDown ? 'key-down' : 'key-up', type: keyDown ? 'key-down' : 'key-up',
keyCode: code, keyCode: code,
character: key, character: key,
@ -52,14 +53,19 @@ var Key = new function() {
// it into a function. // it into a function.
// TODO: Port to Scriptographer: // TODO: Port to Scriptographer:
preventDefault: function() { preventDefault: function() {
event.preventDefault() if (event.preventDefault) {
event.preventDefault();
} else {
event.returnValue = false;
}
} }
}); }
var res = paper.tool[toolHandler](keyEvent);
// TODO: Port to Scriptographer: // TODO: Port to Scriptographer:
// When the handler function returns false, prevent the // When the handler function returns false, prevent the
// default behaviour of the key event: // default behaviour of the key event:
if (preventDefault === false) if (res === false)
event.preventDefault(); keyEvent.preventDefault();
} }
}; };
}, {}); }, {});