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author | Egil Moeller <egil.moller@freecode.no> | 2010-03-21 23:33:06 +0100 |
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committer | Egil Moeller <egil.moller@freecode.no> | 2010-03-21 23:33:06 +0100 |
commit | d56b9b3b82cdebcaeb00eec0fcb4326ad21adaa8 (patch) | |
tree | b1dfe31956f3fc86e3408f1efac5e12acf65b11a /infrastructure/ace/www/cssmanager.js | |
parent | c1894c8e0a52f4e3d2f89fa92f0066bbf0fcf1b1 (diff) | |
parent | 103d4926ae6c61824dc0b48be7bf66f08830ed47 (diff) | |
download | etherpad-d56b9b3b82cdebcaeb00eec0fcb4326ad21adaa8.tar.gz etherpad-d56b9b3b82cdebcaeb00eec0fcb4326ad21adaa8.tar.bz2 etherpad-d56b9b3b82cdebcaeb00eec0fcb4326ad21adaa8.zip |
Merge branch 'master' of git@github.com:ether/pad
Diffstat (limited to 'infrastructure/ace/www/cssmanager.js')
-rw-r--r-- | infrastructure/ace/www/cssmanager.js | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/infrastructure/ace/www/cssmanager.js b/infrastructure/ace/www/cssmanager.js new file mode 100644 index 0000000..a5c549b --- /dev/null +++ b/infrastructure/ace/www/cssmanager.js @@ -0,0 +1,88 @@ + + +/** + * Copyright 2009 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS-IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +function makeCSSManager(emptyStylesheetTitle) { + + function getSheetByTitle(title) { + var allSheets = document.styleSheets; + for(var i=0;i<allSheets.length;i++) { + var s = allSheets[i]; + if (s.title == title) { + return s; + } + } + return null; + } + + /*function getSheetTagByTitle(title) { + var allStyleTags = document.getElementsByTagName("style"); + for(var i=0;i<allStyleTags.length;i++) { + var t = allStyleTags[i]; + if (t.title == title) { + return t; + } + } + return null; + }*/ + + var browserSheet = getSheetByTitle(emptyStylesheetTitle); + //var browserTag = getSheetTagByTitle(emptyStylesheetTitle); + function browserRules() { return (browserSheet.cssRules || browserSheet.rules); } + function browserDeleteRule(i) { + if (browserSheet.deleteRule) browserSheet.deleteRule(i); + else browserSheet.removeRule(i); + } + function browserInsertRule(i, selector) { + if (browserSheet.insertRule) browserSheet.insertRule(selector+' {}', i); + else browserSheet.addRule(selector, null, i); + } + var selectorList = []; + + function indexOfSelector(selector) { + for(var i=0;i<selectorList.length;i++) { + if (selectorList[i] == selector) { + return i; + } + } + return -1; + } + + function selectorStyle(selector) { + var i = indexOfSelector(selector); + if (i < 0) { + // add selector + browserInsertRule(0, selector); + selectorList.splice(0, 0, selector); + i = 0; + } + return browserRules().item(i).style; + } + + function removeSelectorStyle(selector) { + var i = indexOfSelector(selector); + if (i >= 0) { + browserDeleteRule(i); + selectorList.splice(i, 1); + } + } + + return {selectorStyle:selectorStyle, removeSelectorStyle:removeSelectorStyle, + info: function() { + return selectorList.length+":"+browserRules().length; + }}; +} |