--- /dev/null
+(function() {
+ "use strict";
+
+ CodeMirror.showHint = function(cm, getHints, options) {
+ // We want a single cursor position.
+ if (cm.somethingSelected()) return;
+ if (getHints == null) getHints = cm.getHelper(cm.getCursor(), "hint");
+ if (getHints == null) return;
+
+ 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), data.from, data.to);
+ 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 = null, completion = this, finished;
+ var closeOn = this.options.closeCharacters || /[\s()\[\]{};:>,]/;
+ var startPos = this.cm.getCursor(), startLen = this.cm.getLine(startPos.line).length;
+
+ function done() {
+ if (finished) return;
+ finished = true;
+ completion.close();
+ completion.cm.off("cursorActivity", activity);
+ CodeMirror.signal(data, "close");
+ }
+ function isDone() {
+ if (finished) return true;
+ if (!completion.widget) { done(); return true; }
+ }
+
+ function update() {
+ if (isDone()) 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 (isDone()) return;
+ if (!data || !data.list.length) return done();
+ completion.widget.close();
+ completion.widget = new Widget(completion, data);
+ }
+
+ function activity() {
+ clearTimeout(debounce);
+ 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 = setTimeout(update, 170);
+ }
+ 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());},
+ PageDown: function() {handle.moveFocus(handle.menuSize());},
+ Home: function() {handle.setFocus(0);},
+ End: function() {handle.setFocus(handle.length);},
+ 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 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 = 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 = "CodeMirror-hint" + (i ? "" : " CodeMirror-hint-active");
+ 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);
+ var box = hints.getBoundingClientRect();
+ var overlapX = box.right - winW, overlapY = box.bottom - winH;
+ 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";
+ }
+ if (overlapY > 0) {
+ var height = box.bottom - box.top;
+ if (box.top - (pos.bottom - pos.top) - height > 0) {
+ overlapY = height + (pos.bottom - pos.top);
+ below = false;
+ } else if (height > winH) {
+ hints.style.height = (winH - 5) + "px";
+ overlapY -= height - winH;
+ }
+ hints.style.top = (top = pos.bottom - overlapY) + "px";
+ }
+ (options.container || document.body).appendChild(hints);
+
+ cm.addKeyMap(this.keyMap = buildKeyMap(options, {
+ moveFocus: function(n) { widget.changeActive(widget.selectedHint + n); },
+ setFocus: function(n) { widget.changeActive(n); },
+ menuSize: function() { return widget.screenAmount(); },
+ length: completions.length,
+ close: function() { completion.close(); },
+ pick: function() { widget.pick(); }
+ }));
+
+ 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 = e.target || e.srcElement;
+ if (t.hintId != null) {widget.changeActive(t.hintId); widget.pick();}
+ });
+ CodeMirror.on(hints, "click", function(e) {
+ var t = e.target || e.srcElement;
+ if (t.hintId != null) widget.changeActive(t.hintId);
+ });
+ 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) {
+ i = Math.max(0, Math.min(i, this.data.list.length - 1));
+ if (this.selectedHint == i) return;
+ var node = this.hints.childNodes[this.selectedHint];
+ node.className = node.className.replace(" CodeMirror-hint-active", "");
+ node = this.hints.childNodes[this.selectedHint = i];
+ node.className += " CodeMirror-hint-active";
+ 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;
+ }
+ };
+})();
git://git.onelab.eu / myslice.git / blobdiff