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Editor: only attach hotkey rerouter when leaving codebox

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This commit is contained in:
tophf 2015-08-01 18:16:40 +03:00
parent 6d5637e69a
commit e1b8b48980
1 changed files with 31 additions and 24 deletions
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55
edit.js
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@ -62,9 +62,30 @@ var jumpToLineTemplate = t('editGotoLine') + ': <input class="CodeMirror-jump-fi
Element.prototype.matches = Element.prototype.matches || Element.prototype.webkitMatchesSelector;
// reroute handling to nearest editor when keypress resolves to one of these commands
var commandsToReroute = {
save: true, jumpToLine: true, nextEditor: true, prevEditor: true,
find: true, findNext: true, findPrev: true, replace: true, replaceAll: true
var hotkeyRerouter = {
commands: {
save: true, jumpToLine: true, nextEditor: true, prevEditor: true,
find: true, findNext: true, findPrev: true, replace: true, replaceAll: true
},
setState: function(enable) {
setTimeout(function() {
document[(enable ? "add" : "remove") + "EventListener"]("keydown", hotkeyRerouter.eventHandler);
}, 0);
},
eventHandler: function(event) {
var keyName = CodeMirror.keyName(event);
if ("handled" == CodeMirror.lookupKey(keyName, CodeMirror.getOption("keyMap"), handleCommand)
|| "handled" == CodeMirror.lookupKey(keyName, CodeMirror.defaults.extraKeys, handleCommand)) {
event.preventDefault();
event.stopPropagation();
}
function handleCommand(command) {
if (hotkeyRerouter.commands[command] === true) {
CodeMirror.commands[command](getEditorInSight(event.target));
return true;
}
}
}
};
function onChange(event) {
@ -264,6 +285,8 @@ function initCodeMirror() {
document.getElementById("options").addEventListener("change", acmeEventListener, false);
loadPrefs(controlPrefs);
});
hotkeyRerouter.setState(true);
}
initCodeMirror();
@ -316,7 +339,11 @@ function setupCodeMirror(textarea, index) {
var cm = CodeMirror.fromTextArea(textarea);
cm.on("change", indicateCodeChange);
cm.on("blur", function(cm) { editors.lastActive = cm });
cm.on("blur", function(cm) {
editors.lastActive = cm;
hotkeyRerouter.setState(true);
});
cm.on("focus", hotkeyRerouter.setState.bind(null, false));
var resizeGrip = cm.display.wrapper.appendChild(document.createElement("div"));
resizeGrip.className = "resize-grip";
@ -374,26 +401,6 @@ function getCodeMirrorForSection(section) {
return null;
}
// prevent the browser from seeing hotkeys that should be handled by nearest editor
document.addEventListener("keydown", function(event) {
if (event.target.localName == "textarea") {
return; // let CodeMirror handle it
}
var keyName = CodeMirror.keyName(event);
if ("handled" == CodeMirror.lookupKey(keyName, CodeMirror.getOption("keyMap"), handleCommand)
|| "handled" == CodeMirror.lookupKey(keyName, CodeMirror.defaults.extraKeys, handleCommand)) {
event.preventDefault();
event.stopPropagation();
}
function handleCommand(command) {
if (commandsToReroute[command] === true) {
CodeMirror.commands[command](getEditorInSight(event.target));
return true;
}
}
});
// remind Chrome to repaint a previously invisible editor box by toggling any element's transform
// this bug is present in some versions of Chrome (v37-40 or something)
document.addEventListener("scroll", function(event) {