codemirror3, thanks Roberto

2013-06-09 21:43:18 -05:00
parent 4753ebe958
commit ca2fe00933
229 changed files with 33143 additions and 5418 deletions
@@ -0,0 +1,180 @@
+CodeMirror.showHint = function(cm, getHints, options) {
+  if (!options) options = {};
+  var startCh = cm.getCursor().ch, continued = false;
+  var closeOn = options.closeCharacters || /[\s()\[\]{};:]/;
+
+  function startHinting() {
+    // We want a single cursor position.
+    if (cm.somethingSelected()) return;
+
+    if (options.async)
+      getHints(cm, showHints, options);
+    else
+      return showHints(getHints(cm, options));
+  }
+
+  function getText(completion) {
+    if (typeof completion == "string") return completion;
+    else return completion.text;
+  }
+
+  function pickCompletion(cm, data, completion) {
+    if (completion.hint) completion.hint(cm, data, completion);
+    else cm.replaceRange(getText(completion), data.from, data.to);
+  }
+
+  function showHints(data) {
+    if (!data || !data.list.length) return;
+    var completions = data.list;
+    // When there is only one completion, use it directly.
+    if (!continued && options.completeSingle !== false && completions.length == 1) {
+      pickCompletion(cm, data, completions[0]);
+      CodeMirror.signal(data, "close");
+      return true;
+    }
+
+    // Build the select widget
+    var hints = document.createElement("ul"), selectedHint = 0;
+    hints.className = "CodeMirror-hints";
+    for (var i = 0; i < completions.length; ++i) {
+      var elt = hints.appendChild(document.createElement("li")), completion = completions[i];
+      var className = "CodeMirror-hint" + (i ? "" : " CodeMirror-hint-active");
+      if (completion.className != null) className = completion.className + " " + className;
+      elt.className = className;
+      if (completion.render) completion.render(elt, data, completion);
+      else elt.appendChild(document.createTextNode(completion.displayText || getText(completion)));
+      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";
+    document.body.appendChild(hints);
+    CodeMirror.signal(data, "shown");
+
+    // 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";
+    }
+
+    function changeActive(i) {
+      i = Math.max(0, Math.min(i, completions.length - 1));
+      if (selectedHint == i) return;
+      var node = hints.childNodes[selectedHint];
+      node.className = node.className.replace(" CodeMirror-hint-active", "");
+      node = hints.childNodes[selectedHint = i];
+      node.className += " CodeMirror-hint-active";
+      if (node.offsetTop < hints.scrollTop)
+        hints.scrollTop = node.offsetTop - 3;
+      else if (node.offsetTop + node.offsetHeight > hints.scrollTop + hints.clientHeight)
+        hints.scrollTop = node.offsetTop + node.offsetHeight - hints.clientHeight + 3;
+      CodeMirror.signal(data, "select", completions[selectedHint], node);
+    }
+
+    function screenAmount() {
+      return Math.floor(hints.clientHeight / hints.firstChild.offsetHeight) || 1;
+    }
+
+    var ourMap, baseMap = {
+      Up: function() {changeActive(selectedHint - 1);},
+      Down: function() {changeActive(selectedHint + 1);},
+      PageUp: function() {changeActive(selectedHint - screenAmount());},
+      PageDown: function() {changeActive(selectedHint + screenAmount());},
+      Home: function() {changeActive(0);},
+      End: function() {changeActive(completions.length - 1);},
+      Enter: pick,
+      Tab: pick,
+      Esc: close
+    };
+    if (options.customKeys) {
+      ourMap = {};
+      for (var key in options.customKeys) if (options.customKeys.hasOwnProperty(key)) {
+        var val = options.customKeys[key];
+        if (baseMap.hasOwnProperty(val)) val = baseMap[val];
+        ourMap[key] = val;
+      }
+    } else ourMap = baseMap;
+
+    cm.addKeyMap(ourMap);
+    cm.on("cursorActivity", cursorActivity);
+    var closingOnBlur;
+    function onBlur(){ closingOnBlur = setTimeout(close, 100); };
+    function onFocus(){ clearTimeout(closingOnBlur); };
+    cm.on("blur", onBlur);
+    cm.on("focus", onFocus);
+    var startScroll = cm.getScrollInfo();
+    function onScroll() {
+      var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect();
+      var newTop = top + startScroll.top - curScroll.top, point = newTop;
+      if (!below) point += hints.offsetHeight;
+      if (point <= editor.top || point >= editor.bottom) return close();
+      hints.style.top = newTop + "px";
+      hints.style.left = (left + startScroll.left - curScroll.left) + "px";
+    }
+    cm.on("scroll", onScroll);
+    CodeMirror.on(hints, "dblclick", function(e) {
+      var t = e.target || e.srcElement;
+      if (t.hintId != null) {selectedHint = t.hintId; pick();}
+    });
+    CodeMirror.on(hints, "click", function(e) {
+      var t = e.target || e.srcElement;
+      if (t.hintId != null) changeActive(t.hintId);
+    });
+    CodeMirror.on(hints, "mousedown", function() {
+      setTimeout(function(){cm.focus();}, 20);
+    });
+
+    var done = false, once;
+    function close(willContinue) {
+      if (done) return;
+      done = true;
+      clearTimeout(once);
+      hints.parentNode.removeChild(hints);
+      cm.removeKeyMap(ourMap);
+      cm.off("cursorActivity", cursorActivity);
+      cm.off("blur", onBlur);
+      cm.off("focus", onFocus);
+      cm.off("scroll", onScroll);
+      if (willContinue !== true) CodeMirror.signal(data, "close");
+    }
+    function pick() {
+      pickCompletion(cm, data, completions[selectedHint]);
+      close();
+    }
+    var once, lastPos = cm.getCursor(), lastLen = cm.getLine(lastPos.line).length;
+    function cursorActivity() {
+      clearTimeout(once);
+
+      var pos = cm.getCursor(), line = cm.getLine(pos.line);
+      if (pos.line != lastPos.line || line.length - pos.ch != lastLen - lastPos.ch ||
+          pos.ch < startCh || cm.somethingSelected() ||
+          (pos.ch && closeOn.test(line.charAt(pos.ch - 1))))
+        close();
+      else
+        once = setTimeout(function(){close(true); continued = true; startHinting();}, 70);
+    }
+    CodeMirror.signal(data, "select", completions[0], hints.firstChild);
+    return true;
+  }
+
+  return startHinting();
+};