Edit style: autocomplete on Ctrl-Space using CodeMirror hint addon

This commit is contained in:
9adefaf01e5bf6426d838cd20eae582d2b6ba647 2015-03-03 02:59:36 +03:00
parent b4173d68f6
commit 5a0e465f2a
5 changed files with 494 additions and 1 deletions

56
codemirror/addon/hint/css-hint.js vendored Normal file
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"), require("../../mode/css/css"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror", "../../mode/css/css"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
var pseudoClasses = {link: 1, visited: 1, active: 1, hover: 1, focus: 1,
"first-letter": 1, "first-line": 1, "first-child": 1,
before: 1, after: 1, lang: 1};
CodeMirror.registerHelper("hint", "css", function(cm) {
var cur = cm.getCursor(), token = cm.getTokenAt(cur);
var inner = CodeMirror.innerMode(cm.getMode(), token.state);
if (inner.mode.name != "css") return;
var start = token.start, end = cur.ch, word = token.string.slice(0, end - start);
if (/[^\w$_-]/.test(word)) {
word = ""; start = end = cur.ch;
}
var spec = CodeMirror.resolveMode("text/css");
var result = [];
function add(keywords) {
for (var name in keywords)
if (!word || name.lastIndexOf(word, 0) == 0)
result.push(name);
}
var st = inner.state.state;
if (st == "pseudo" || token.type == "variable-3") {
add(pseudoClasses);
} else if (st == "block" || st == "maybeprop") {
add(spec.propertyKeywords);
} else if (st == "prop" || st == "parens" || st == "at" || st == "params") {
add(spec.valueKeywords);
add(spec.colorKeywords);
} else if (st == "media" || st == "media_parens") {
add(spec.mediaTypes);
add(spec.mediaFeatures);
}
if (result.length) return {
list: result,
from: CodeMirror.Pos(cur.line, start),
to: CodeMirror.Pos(cur.line, end)
};
});
});

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codemirror/addon/hint/show-hint.css vendored Normal file
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.CodeMirror-hints {
position: absolute;
z-index: 10;
overflow: hidden;
list-style: none;
margin: 0;
padding: 2px;
-webkit-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
-moz-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
box-shadow: 2px 3px 5px rgba(0,0,0,.2);
border-radius: 3px;
border: 1px solid silver;
background: white;
font-size: 90%;
font-family: monospace;
max-height: 20em;
overflow-y: auto;
}
.CodeMirror-hint {
margin: 0;
padding: 0 4px;
border-radius: 2px;
max-width: 19em;
overflow: hidden;
white-space: pre;
color: black;
cursor: pointer;
}
li.CodeMirror-hint-active {
background: #08f;
color: white;
}

394
codemirror/addon/hint/show-hint.js vendored Normal file
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
var HINT_ELEMENT_CLASS = "CodeMirror-hint";
var ACTIVE_HINT_ELEMENT_CLASS = "CodeMirror-hint-active";
// This is the old interface, kept around for now to stay
// backwards-compatible.
CodeMirror.showHint = function(cm, getHints, options) {
if (!getHints) return cm.showHint(options);
if (options && options.async) getHints.async = true;
var newOpts = {hint: getHints};
if (options) for (var prop in options) newOpts[prop] = options[prop];
return cm.showHint(newOpts);
};
var asyncRunID = 0;
function retrieveHints(getter, cm, options, then) {
if (getter.async) {
var id = ++asyncRunID;
getter(cm, function(hints) {
if (asyncRunID == id) then(hints);
}, options);
} else {
then(getter(cm, options));
}
}
CodeMirror.defineExtension("showHint", function(options) {
// We want a single cursor position.
if (this.listSelections().length > 1 || this.somethingSelected()) return;
if (this.state.completionActive) this.state.completionActive.close();
var completion = this.state.completionActive = new Completion(this, options);
var getHints = completion.options.hint;
if (!getHints) return;
CodeMirror.signal(this, "startCompletion", this);
return retrieveHints(getHints, this, completion.options, function(hints) { completion.showHints(hints); });
});
function Completion(cm, options) {
this.cm = cm;
this.options = this.buildOptions(options);
this.widget = this.onClose = null;
}
Completion.prototype = {
close: function() {
if (!this.active()) return;
this.cm.state.completionActive = null;
if (this.widget) this.widget.close();
if (this.onClose) this.onClose();
CodeMirror.signal(this.cm, "endCompletion", this.cm);
},
active: function() {
return this.cm.state.completionActive == this;
},
pick: function(data, i) {
var completion = data.list[i];
if (completion.hint) completion.hint(this.cm, data, completion);
else this.cm.replaceRange(getText(completion), completion.from || data.from,
completion.to || data.to, "complete");
CodeMirror.signal(data, "pick", completion);
this.close();
},
showHints: function(data) {
if (!data || !data.list.length || !this.active()) return this.close();
if (this.options.completeSingle && data.list.length == 1)
this.pick(data, 0);
else
this.showWidget(data);
},
showWidget: function(data) {
this.widget = new Widget(this, data);
CodeMirror.signal(data, "shown");
var debounce = 0, completion = this, finished;
var closeOn = this.options.closeCharacters;
var startPos = this.cm.getCursor(), startLen = this.cm.getLine(startPos.line).length;
var requestAnimationFrame = window.requestAnimationFrame || function(fn) {
return setTimeout(fn, 1000/60);
};
var cancelAnimationFrame = window.cancelAnimationFrame || clearTimeout;
function done() {
if (finished) return;
finished = true;
completion.close();
completion.cm.off("cursorActivity", activity);
if (data) CodeMirror.signal(data, "close");
}
function update() {
if (finished) return;
CodeMirror.signal(data, "update");
retrieveHints(completion.options.hint, completion.cm, completion.options, finishUpdate);
}
function finishUpdate(data_) {
data = data_;
if (finished) return;
if (!data || !data.list.length) return done();
if (completion.widget) completion.widget.close();
completion.widget = new Widget(completion, data);
}
function clearDebounce() {
if (debounce) {
cancelAnimationFrame(debounce);
debounce = 0;
}
}
function activity() {
clearDebounce();
var pos = completion.cm.getCursor(), line = completion.cm.getLine(pos.line);
if (pos.line != startPos.line || line.length - pos.ch != startLen - startPos.ch ||
pos.ch < startPos.ch || completion.cm.somethingSelected() ||
(pos.ch && closeOn.test(line.charAt(pos.ch - 1)))) {
completion.close();
} else {
debounce = requestAnimationFrame(update);
if (completion.widget) completion.widget.close();
}
}
this.cm.on("cursorActivity", activity);
this.onClose = done;
},
buildOptions: function(options) {
var editor = this.cm.options.hintOptions;
var out = {};
for (var prop in defaultOptions) out[prop] = defaultOptions[prop];
if (editor) for (var prop in editor)
if (editor[prop] !== undefined) out[prop] = editor[prop];
if (options) for (var prop in options)
if (options[prop] !== undefined) out[prop] = options[prop];
return out;
}
};
function getText(completion) {
if (typeof completion == "string") return completion;
else return completion.text;
}
function buildKeyMap(completion, handle) {
var baseMap = {
Up: function() {handle.moveFocus(-1);},
Down: function() {handle.moveFocus(1);},
PageUp: function() {handle.moveFocus(-handle.menuSize() + 1, true);},
PageDown: function() {handle.moveFocus(handle.menuSize() - 1, true);},
Home: function() {handle.setFocus(0);},
End: function() {handle.setFocus(handle.length - 1);},
Enter: handle.pick,
Tab: handle.pick,
Esc: handle.close
};
var custom = completion.options.customKeys;
var ourMap = custom ? {} : baseMap;
function addBinding(key, val) {
var bound;
if (typeof val != "string")
bound = function(cm) { return val(cm, handle); };
// This mechanism is deprecated
else if (baseMap.hasOwnProperty(val))
bound = baseMap[val];
else
bound = val;
ourMap[key] = bound;
}
if (custom)
for (var key in custom) if (custom.hasOwnProperty(key))
addBinding(key, custom[key]);
var extra = completion.options.extraKeys;
if (extra)
for (var key in extra) if (extra.hasOwnProperty(key))
addBinding(key, extra[key]);
return ourMap;
}
function getHintElement(hintsElement, el) {
while (el && el != hintsElement) {
if (el.nodeName.toUpperCase() === "LI" && el.parentNode == hintsElement) return el;
el = el.parentNode;
}
}
function Widget(completion, data) {
this.completion = completion;
this.data = data;
var widget = this, cm = completion.cm;
var hints = this.hints = document.createElement("ul");
hints.className = "CodeMirror-hints";
this.selectedHint = data.selectedHint || 0;
var completions = data.list;
for (var i = 0; i < completions.length; ++i) {
var elt = hints.appendChild(document.createElement("li")), cur = completions[i];
var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS);
if (cur.className != null) className = cur.className + " " + className;
elt.className = className;
if (cur.render) cur.render(elt, data, cur);
else elt.appendChild(document.createTextNode(cur.displayText || getText(cur)));
elt.hintId = i;
}
var pos = cm.cursorCoords(completion.options.alignWithWord ? data.from : null);
var left = pos.left, top = pos.bottom, below = true;
hints.style.left = left + "px";
hints.style.top = top + "px";
// If we're at the edge of the screen, then we want the menu to appear on the left of the cursor.
var winW = window.innerWidth || Math.max(document.body.offsetWidth, document.documentElement.offsetWidth);
var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight);
(completion.options.container || document.body).appendChild(hints);
var box = hints.getBoundingClientRect(), overlapY = box.bottom - winH;
if (overlapY > 0) {
var height = box.bottom - box.top, curTop = pos.top - (pos.bottom - box.top);
if (curTop - height > 0) { // Fits above cursor
hints.style.top = (top = pos.top - height) + "px";
below = false;
} else if (height > winH) {
hints.style.height = (winH - 5) + "px";
hints.style.top = (top = pos.bottom - box.top) + "px";
var cursor = cm.getCursor();
if (data.from.ch != cursor.ch) {
pos = cm.cursorCoords(cursor);
hints.style.left = (left = pos.left) + "px";
box = hints.getBoundingClientRect();
}
}
}
var overlapX = box.right - winW;
if (overlapX > 0) {
if (box.right - box.left > winW) {
hints.style.width = (winW - 5) + "px";
overlapX -= (box.right - box.left) - winW;
}
hints.style.left = (left = pos.left - overlapX) + "px";
}
cm.addKeyMap(this.keyMap = buildKeyMap(completion, {
moveFocus: function(n, avoidWrap) { widget.changeActive(widget.selectedHint + n, avoidWrap); },
setFocus: function(n) { widget.changeActive(n); },
menuSize: function() { return widget.screenAmount(); },
length: completions.length,
close: function() { completion.close(); },
pick: function() { widget.pick(); },
data: data
}));
if (completion.options.closeOnUnfocus) {
var closingOnBlur;
cm.on("blur", this.onBlur = function() { closingOnBlur = setTimeout(function() { completion.close(); }, 100); });
cm.on("focus", this.onFocus = function() { clearTimeout(closingOnBlur); });
}
var startScroll = cm.getScrollInfo();
cm.on("scroll", this.onScroll = function() {
var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect();
var newTop = top + startScroll.top - curScroll.top;
var point = newTop - (window.pageYOffset || (document.documentElement || document.body).scrollTop);
if (!below) point += hints.offsetHeight;
if (point <= editor.top || point >= editor.bottom) return completion.close();
hints.style.top = newTop + "px";
hints.style.left = (left + startScroll.left - curScroll.left) + "px";
});
CodeMirror.on(hints, "dblclick", function(e) {
var t = getHintElement(hints, e.target || e.srcElement);
if (t && t.hintId != null) {widget.changeActive(t.hintId); widget.pick();}
});
CodeMirror.on(hints, "click", function(e) {
var t = getHintElement(hints, e.target || e.srcElement);
if (t && t.hintId != null) {
widget.changeActive(t.hintId);
if (completion.options.completeOnSingleClick) widget.pick();
}
});
CodeMirror.on(hints, "mousedown", function() {
setTimeout(function(){cm.focus();}, 20);
});
CodeMirror.signal(data, "select", completions[0], hints.firstChild);
return true;
}
Widget.prototype = {
close: function() {
if (this.completion.widget != this) return;
this.completion.widget = null;
this.hints.parentNode.removeChild(this.hints);
this.completion.cm.removeKeyMap(this.keyMap);
var cm = this.completion.cm;
if (this.completion.options.closeOnUnfocus) {
cm.off("blur", this.onBlur);
cm.off("focus", this.onFocus);
}
cm.off("scroll", this.onScroll);
},
pick: function() {
this.completion.pick(this.data, this.selectedHint);
},
changeActive: function(i, avoidWrap) {
if (i >= this.data.list.length)
i = avoidWrap ? this.data.list.length - 1 : 0;
else if (i < 0)
i = avoidWrap ? 0 : this.data.list.length - 1;
if (this.selectedHint == i) return;
var node = this.hints.childNodes[this.selectedHint];
node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
node = this.hints.childNodes[this.selectedHint = i];
node.className += " " + ACTIVE_HINT_ELEMENT_CLASS;
if (node.offsetTop < this.hints.scrollTop)
this.hints.scrollTop = node.offsetTop - 3;
else if (node.offsetTop + node.offsetHeight > this.hints.scrollTop + this.hints.clientHeight)
this.hints.scrollTop = node.offsetTop + node.offsetHeight - this.hints.clientHeight + 3;
CodeMirror.signal(this.data, "select", this.data.list[this.selectedHint], node);
},
screenAmount: function() {
return Math.floor(this.hints.clientHeight / this.hints.firstChild.offsetHeight) || 1;
}
};
CodeMirror.registerHelper("hint", "auto", function(cm, options) {
var helpers = cm.getHelpers(cm.getCursor(), "hint"), words;
if (helpers.length) {
for (var i = 0; i < helpers.length; i++) {
var cur = helpers[i](cm, options);
if (cur && cur.list.length) return cur;
}
} else if (words = cm.getHelper(cm.getCursor(), "hintWords")) {
if (words) return CodeMirror.hint.fromList(cm, {words: words});
} else if (CodeMirror.hint.anyword) {
return CodeMirror.hint.anyword(cm, options);
}
});
CodeMirror.registerHelper("hint", "fromList", function(cm, options) {
var cur = cm.getCursor(), token = cm.getTokenAt(cur);
var found = [];
for (var i = 0; i < options.words.length; i++) {
var word = options.words[i];
if (word.slice(0, token.string.length) == token.string)
found.push(word);
}
if (found.length) return {
list: found,
from: CodeMirror.Pos(cur.line, token.start),
to: CodeMirror.Pos(cur.line, token.end)
};
});
CodeMirror.commands.autocomplete = CodeMirror.showHint;
var defaultOptions = {
hint: CodeMirror.hint.auto,
completeSingle: true,
alignWithWord: true,
closeCharacters: /[\s()\[\]{};:>,]/,
closeOnUnfocus: true,
completeOnSingleClick: false,
container: null,
customKeys: null,
extraKeys: null
};
CodeMirror.defineOption("hintOptions", null);
});

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@ -25,6 +25,10 @@
<script src="codemirror/addon/lint/lint.js"></script>
<script src="codemirror/addon/lint/css-lint.js"></script>
<link rel="stylesheet" href="codemirror/addon/hint/show-hint.css" />
<script src="codemirror/addon/hint/show-hint.js"></script>
<script src="codemirror/addon/hint/css-hint.js"></script>
<style type="text/css">
body {

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@ -23,7 +23,8 @@ function setupCodeMirror(textarea) {
gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter", "CodeMirror-lint-markers"],
matchBrackets: true,
lint: CodeMirror.lint.css,
smartIndent: (typeof localStorage["smart-indent"] == "undefined") || localStorage["smart-indent"] == "true"
smartIndent: (typeof localStorage["smart-indent"] == "undefined") || localStorage["smart-indent"] == "true",
extraKeys: {"Ctrl-Space": "autocomplete"}
});
editors.push(cm);
}