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[feature/editor-code-tabs] Make inTag function reusable

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Change inTag function to reusable JS function that can check
for any BBCode

PHPBB3-11557
This commit is contained in:
Vjacheslav Trushkin 2013-05-22 20:52:15 +03:00
parent 809c51f30d
commit 9db0fa8856
1 changed files with 44 additions and 29 deletions
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73
phpBB/assets/javascript/core.js
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@ -663,6 +663,49 @@ phpbb.resizeTextArea = function(items, options) {
}); });
}; };
/**
* Check if cursor in textarea is currently inside a bbcode tag
*
* @param {object} textarea Textarea DOM object
* @param {Array} startTags List of start tags to look for
* For example, Array('[code]', '[code=')
* @param {Array} endTags List of end tags to look for
* For example, Array('[/code]')
*
* @return {boolean} True if cursor is in bbcode tag
*/
phpbb.inBBCodeTag = function(textarea, startTags, endTags) {
var start = textarea.selectionStart,
lastEnd = -1,
lastStart = -1,
i, index, value;
if (typeof start !== 'number') {
return false;
}
value = textarea.value.toLowerCase();
for (i = 0; i < startTags.length; i++) {
var tagLength = startTags[i].length;
if (start >= tagLength) {
index = value.lastIndexOf(startTags[i], start - tagLength);
lastStart = Math.max(lastStart, index);
}
}
if (lastStart == -1) return false;
if (start > 0) {
for (i = 0; i < endTags.length; i++) {
index = value.lastIndexOf(endTags[i], start - 1);
lastEnd = Math.max(lastEnd, index);
}
}
return (lastEnd < lastStart);
}
/** /**
* Adjust textarea to manage code bbcode * Adjust textarea to manage code bbcode
* *
@ -689,36 +732,8 @@ phpbb.applyCodeEditor = function(textarea) {
return; return;
} }
/**
* Check if cursor is currently inside code tag
*
* @return {boolean} True if cursor is in code tag
*/
function inTag() { function inTag() {
var start = textarea.selectionStart, return phpbb.inBBCodeTag(textarea, startTags, endTags);
lastEnd = -1,
lastStart = -1,
i, index, value;
value = textarea.value.toLowerCase();
for (i = 0; i < startTags.length; i++) {
var tagLength = startTags[i].length;
if (start >= tagLength) {
index = value.lastIndexOf(startTags[i], start - tagLength);
lastStart = Math.max(lastStart, index);
}
}
if (lastStart == -1) return false;
if (start > 0) {
for (i = 0; i < endTags.length; i++) {
index = value.lastIndexOf(endTags[i], start - 1);
lastEnd = Math.max(lastEnd, index);
}
}
return (lastEnd < lastStart);
} }
/** /**