352 lines
13 KiB
JavaScript
Vendored
352 lines
13 KiB
JavaScript
Vendored
(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";
|
|
|
|
CodeMirror.showHint = function(cm, getHints, options) {
|
|
// We want a single cursor position.
|
|
if (cm.listSelections().length > 1 || cm.somethingSelected()) return;
|
|
if (getHints == null) {
|
|
if (options && options.async) return;
|
|
else getHints = CodeMirror.hint.auto;
|
|
}
|
|
|
|
if (cm.state.completionActive) cm.state.completionActive.close();
|
|
|
|
var completion = cm.state.completionActive = new Completion(cm, getHints, options || {});
|
|
CodeMirror.signal(cm, "startCompletion", cm);
|
|
if (completion.options.async)
|
|
getHints(cm, function(hints) { completion.showHints(hints); }, completion.options);
|
|
else
|
|
return completion.showHints(getHints(cm, completion.options));
|
|
};
|
|
|
|
function Completion(cm, getHints, options) {
|
|
this.cm = cm;
|
|
this.getHints = getHints;
|
|
this.options = 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 != false && 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 || /[\s()\[\]{};:>,]/;
|
|
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");
|
|
if (completion.options.async)
|
|
completion.getHints(completion.cm, finishUpdate, completion.options);
|
|
else
|
|
finishUpdate(completion.getHints(completion.cm, completion.options));
|
|
}
|
|
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;
|
|
}
|
|
};
|
|
|
|
function getText(completion) {
|
|
if (typeof completion == "string") return completion;
|
|
else return completion.text;
|
|
}
|
|
|
|
function buildKeyMap(options, 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 ourMap = options.customKeys ? {} : 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 (options.customKeys)
|
|
for (var key in options.customKeys) if (options.customKeys.hasOwnProperty(key))
|
|
addBinding(key, options.customKeys[key]);
|
|
if (options.extraKeys)
|
|
for (var key in options.extraKeys) if (options.extraKeys.hasOwnProperty(key))
|
|
addBinding(key, options.extraKeys[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, options = completion.options;
|
|
|
|
var hints = this.hints = document.createElement("ul");
|
|
hints.className = "CodeMirror-hints";
|
|
this.selectedHint = options.getDefaultSelection ? options.getDefaultSelection(cm,options,data) : 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(options.alignWithWord !== false ? 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);
|
|
(options.container || document.body).appendChild(hints);
|
|
var box = hints.getBoundingClientRect(), overlapY = box.bottom - winH;
|
|
if (overlapY > 0) {
|
|
var height = box.bottom - box.top, curTop = box.top - (pos.bottom - pos.top);
|
|
if (curTop - height > 0) { // Fits above cursor
|
|
hints.style.top = (top = curTop - 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.left - 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(options, {
|
|
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 (options.closeOnUnfocus !== false) {
|
|
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 (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 !== false) {
|
|
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;
|
|
});
|