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/* <copyright>
Copyright (c) 2012, Motorola Mobility LLC.
All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Motorola Mobility LLC nor the names of its
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
</copyright> */
/* adopted from CodeMirror 2.23 (http://codemirror.net/) */
(function() {
CodeMirror.simpleHint = function(editor, getHints) {
// We want a single cursor position.
if (editor.somethingSelected()) return;
// Ninja override: don't show code hinting if the token is empty
var tempToken = editor.getTokenAt(editor.getCursor());
if(!(/[\S]/gi.test(tempToken.string))) return;
var result = getHints(editor);
if (!result || !result.list.length) return;
var completions = result.list;
function insert(str) {
editor.replaceRange(str, result.from, result.to);
}
//if (completions.length == 1) {insert(completions[0]); return true;}
// Build the select widget
var complete = document.createElement("div");
complete.className = "CodeMirror-completions";
var sel = complete.appendChild(document.createElement("select"));
// Opera doesn't move the selection when pressing up/down in a
// multi-select, but it does properly support the size property on
// single-selects, so no multi-select is necessary.
if (!window.opera) sel.multiple = true;
for (var i = 0; i < completions.length; ++i) {
var opt = sel.appendChild(document.createElement("option"));
opt.appendChild(document.createTextNode(completions[i]));
}
sel.firstChild.selected = true;
sel.size = Math.min(10, completions.length);
var pos = editor.cursorCoords();
complete.style.left = pos.x + "px";
complete.style.top = pos.yBot + "px";
document.body.appendChild(complete);
// 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);
if(winW - pos.x < sel.clientWidth)
complete.style.left = (pos.x - sel.clientWidth) + "px";
// Hack to hide the scrollbar.
if (completions.length <= 10)
complete.style.width = (sel.clientWidth - 1) + "px";
var done = false;
function close() {
if (done) return;
done = true;
complete.parentNode.removeChild(complete);
}
function pick() {
insert(completions[sel.selectedIndex]);
close();
setTimeout(function(){editor.focus();}, 50);
}
CodeMirror.connect(sel, "blur", close);
CodeMirror.connect(sel, "keydown", function(event) {
var code = event.keyCode;
// Enter
if (code == 13) {CodeMirror.e_stop(event); pick();}
// Escape
else if (code == 27) {CodeMirror.e_stop(event); close(); editor.focus();}
else if (code != 38 && code != 40) {
close(); editor.focus();
// Pass the event to the CodeMirror instance so that it can handle things like backspace properly.
editor.triggerOnKeyDown(event);
setTimeout(function(){CodeMirror.simpleHint(editor, getHints);}, 50);
}
});
CodeMirror.connect(sel, "dblclick", pick);
sel.focus();
// Opera sometimes ignores focusing a freshly created node
if (window.opera) setTimeout(function(){if (!done) sel.focus();}, 100);
return true;
};
})();
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