git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/pretty-json/node_modules/jsonminify/report/assets/scripts/vendor/codemirror/util/simple-hint.js

   1 (function() {
   2   CodeMirror.simpleHint = function(editor, getHints, givenOptions) {
   3     // Determine effective options based on given values and defaults.
   4     var options = {}, defaults = CodeMirror.simpleHint.defaults;
   5     for (var opt in defaults)
   6       if (defaults.hasOwnProperty(opt))
   7         options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt];
   8
   9     function collectHints(previousToken) {
  10       // We want a single cursor position.
  11       if (editor.somethingSelected()) return;
  12
  13       var tempToken = editor.getTokenAt(editor.getCursor());
  14
  15       // Don't show completions if token has changed and the option is set.
  16       if (options.closeOnTokenChange && previousToken != null &&
  17           (tempToken.start != previousToken.start || tempToken.type != previousToken.type)) {
  18         return;
  19       }
  20
  21       var result = getHints(editor, givenOptions);
  22       if (!result || !result.list.length) return;
  23       var completions = result.list;
  24       function insert(str) {
  25         editor.replaceRange(str, result.from, result.to);
  26       }
  27       // When there is only one completion, use it directly.
  28       if (options.completeSingle && completions.length == 1) {
  29         insert(completions[0]);
  30         return true;
  31       }
  32
  33       // Build the select widget
  34       var complete = document.createElement("div");
  35       complete.className = "CodeMirror-completions";
  36       var sel = complete.appendChild(document.createElement("select"));
  37       // Opera doesn't move the selection when pressing up/down in a
  38       // multi-select, but it does properly support the size property on
  39       // single-selects, so no multi-select is necessary.
  40       if (!window.opera) sel.multiple = true;
  41       for (var i = 0; i < completions.length; ++i) {
  42         var opt = sel.appendChild(document.createElement("option"));
  43         opt.appendChild(document.createTextNode(completions[i]));
  44       }
  45       sel.firstChild.selected = true;
  46       sel.size = Math.min(10, completions.length);
  47       var pos = editor.cursorCoords(options.alignWithWord ? result.from : null);
  48       complete.style.left = pos.left + "px";
  49       complete.style.top = pos.bottom + "px";
  50       document.body.appendChild(complete);
  51       // If we're at the edge of the screen, then we want the menu to appear on the left of the cursor.
  52       var winW = window.innerWidth || Math.max(document.body.offsetWidth, document.documentElement.offsetWidth);
  53       if(winW - pos.left < sel.clientWidth)
  54         complete.style.left = (pos.left - sel.clientWidth) + "px";
  55       // Hack to hide the scrollbar.
  56       if (completions.length <= 10)
  57         complete.style.width = (sel.clientWidth - 1) + "px";
  58
  59       var done = false;
  60       function close() {
  61         if (done) return;
  62         done = true;
  63         complete.parentNode.removeChild(complete);
  64       }
  65       function pick() {
  66         insert(completions[sel.selectedIndex]);
  67         close();
  68         setTimeout(function(){editor.focus();}, 50);
  69       }
  70       CodeMirror.on(sel, "blur", close);
  71       CodeMirror.on(sel, "keydown", function(event) {
  72         var code = event.keyCode;
  73         // Enter
  74         if (code == 13) {CodeMirror.e_stop(event); pick();}
  75         // Escape
  76         else if (code == 27) {CodeMirror.e_stop(event); close(); editor.focus();}
  77         else if (code != 38 && code != 40 && code != 33 && code != 34 && !CodeMirror.isModifierKey(event)) {
  78           close(); editor.focus();
  79           // Pass the event to the CodeMirror instance so that it can handle things like backspace properly.
  80           editor.triggerOnKeyDown(event);
  81           // Don't show completions if the code is backspace and the option is set.
  82           if (!options.closeOnBackspace || code != 8) {
  83             setTimeout(function(){collectHints(tempToken);}, 50);
  84           }
  85         }
  86       });
  87       CodeMirror.on(sel, "dblclick", pick);
  88
  89       sel.focus();
  90       // Opera sometimes ignores focusing a freshly created node
  91       if (window.opera) setTimeout(function(){if (!done) sel.focus();}, 100);
  92       return true;
  93     }
  94     return collectHints();
  95   };
  96   CodeMirror.simpleHint.defaults = {
  97     closeOnBackspace: true,
  98     closeOnTokenChange: false,
  99     completeSingle: true,
 100     alignWithWord: true
 101   };
 102 })();