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do not change selection of blurred textarea

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This commit is contained in:
nightwing 2012-12-06 13:53:03 +04:00
commit e5b307d056
1 changed files with 60 additions and 57 deletions
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117
lib/ace/keyboard/textinput.js
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@ -64,17 +64,69 @@ var TextInput = function(parentNode, host) {
var inCompostion = false;
var tempStyle = '';
var isSelectionEmpty = true;
// FOCUS
var isFocused = document.activeElement === text;
event.addListener(text, "blur", function() {
host.onBlur();
isFocused = false;
});
event.addListener(text, "focus", function() {
isFocused = true;
host.onFocus();
resetSelection();
});
this.focus = function() {
text.focus();
};
this.blur = function() {
text.blur();
};
this.isFocused = function() {
return isFocused;
};
// modifying selection of blured textarea can focus it (chrome mac/linux)
var syncSelection = lang.delayedCall(function() {
resetSelection(isSelectionEmpty);
isFocused && resetSelection(isSelectionEmpty);
});
var syncValue = lang.delayedCall(function() {
if (!inCompostion) {
text.value = PLACEHOLDER;
resetSelection();
text.value = PLACEHOLDER;
isFocused && resetSelection();
}
});
function resetSelection(isEmpty) {
if (inCompostion)
return;
var selectionStart = isEmpty ? 2 : 1;
var selectionEnd = 2;
// on firefox this throws if textarea is hidden
try {
text.setSelectionRange(selectionStart, selectionEnd);
} catch(e){}
};
function resetValue() {
if (inCompostion)
return;
text.value = PLACEHOLDER;
//http://code.google.com/p/chromium/issues/detail?id=76516
if (useragent.isWebKit)
syncValue.schedule();
};
useragent.isWebKit || host.addEventListener('changeSelection', function() {
if (host.selection.isEmpty() != isSelectionEmpty) {
isSelectionEmpty = !isSelectionEmpty;
syncSelection.schedule();
}
});
resetValue();
if (isFocused())
if (isFocused)
host.onFocus();
@ -129,26 +181,6 @@ var TextInput = function(parentNode, host) {
});
}
function resetValue() {
if (inCompostion)
return;
text.value = PLACEHOLDER;
//http://code.google.com/p/chromium/issues/detail?id=76516
if (useragent.isWebKit)
syncValue.schedule();
};
function resetSelection(isEmpty) {
if (inCompostion)
return;
var selectionStart = isEmpty ? 2 : 1;
var selectionEnd = 2;
// on firefox this throws if textarea is hidden
try {
text.setSelectionRange(selectionStart, selectionEnd);
} catch(e){}
};
var onSelect = function(e) {
if (cut) {
cut = false;
@ -321,35 +353,14 @@ var TextInput = function(parentNode, host) {
}
// COMPOSITION
event.addListener(text, "compositionstart", onCompositionStart);
if (useragent.isGecko) {
if (useragent.isGecko)
event.addListener(text, "text", onCompositionUpdate);
}
if (useragent.isWebKit) {
if (useragent.isWebKit)
event.addListener(text, "keyup", onCompositionUpdate);
}
event.addListener(text, "compositionend", onCompositionEnd);
event.addListener(text, "blur", function() {
host.onBlur();
});
event.addListener(text, "focus", function() {
host.onFocus();
resetSelection();
});
this.focus = function() {
text.focus();
};
this.blur = function() {
text.blur();
};
function isFocused() {
return document.activeElement === text;
}
this.isFocused = isFocused;
// CONTEXTMENU
this.getElement = function() {
return text;
@ -382,7 +393,7 @@ var TextInput = function(parentNode, host) {
event.capture(host.container, move, onContextMenuClose);
};
function onContextMenuClose() {
this.onContextMenuClose = function() {
setTimeout(function () {
if (tempStyle) {
text.style.cssText = tempStyle;
@ -394,7 +405,6 @@ var TextInput = function(parentNode, host) {
}
}, 0);
};
this.onContextMenuClose = onContextMenuClose;
// firefox fires contextmenu event after opening it
if (!useragent.isGecko) {
@ -403,13 +413,6 @@ var TextInput = function(parentNode, host) {
onContextMenuClose();
});
}
host.addEventListener('changeSelection', function(){
if (host.selection.isEmpty() != isSelectionEmpty) {
isSelectionEmpty = !isSelectionEmpty;
syncSelection.schedule();
}
});
};
exports.TextInput = TextInput;