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/*
* Copyright (C) 2015-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
WI.CodeMirrorEditor = class CodeMirrorEditor
{
static create(element, options)
{
// CodeMirror's manual scrollbar positioning results in double scrollbars,
// nor does it handle braces and brackets well, so default to using LTR.
// Clients can override this if custom layout for RTL is available.
element.setAttribute("dir", "ltr");
element.classList.toggle("read-only", options.readOnly);
let codeMirror = new CodeMirror(element, {
// These values will be overridden by any value with the same key in `options`.
indentWithTabs: WI.settings.indentWithTabs.value,
indentUnit: WI.settings.indentUnit.value,
tabSize: WI.settings.tabSize.value,
lineWrapping: WI.settings.enableLineWrapping.value,
showWhitespaceCharacters: WI.settings.showWhitespaceCharacters.value,
maxHighlightLength: WI.settings.experimentalLimitSourceCodeHighlighting.value ? 120 : 10000,
maxScanLineLength: WI.settings.experimentalLimitSourceCodeHighlighting.value ? 120 : 10000,
maxHighlightLineLength: WI.settings.experimentalLimitSourceCodeHighlighting.value ? 120 : 1000,
...options,
});
function listenForChange(setting, codeMirrorOption) {
if (options[codeMirrorOption] !== undefined)
return;
setting.addEventListener(WI.Setting.Event.Changed, function(event) {
this.setOption(codeMirrorOption, setting.value);
}, codeMirror);
}
listenForChange(WI.settings.indentWithTabs, "indentWithTabs");
listenForChange(WI.settings.indentUnit, "indentUnit");
listenForChange(WI.settings.tabSize, "tabSize");
listenForChange(WI.settings.enableLineWrapping, "lineWrapping");
listenForChange(WI.settings.showWhitespaceCharacters, "showWhitespaceCharacters");
// Override some Mac specific keybindings.
if (WI.Platform.name === "mac") {
codeMirror.addKeyMap({
"Home": () => { codeMirror.scrollIntoView({line: 0, ch: 0}); },
"End": () => { codeMirror.scrollIntoView({line: codeMirror.lineCount() - 1, ch: null}); },
});
}
// Set up default controllers that should be present for
// all CodeMirror editor instances.
new WI.CodeMirrorTextKillController(codeMirror);
return codeMirror;
}
};
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