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Compatibility with jQuery 1.9 and changes to dropdown position #9

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Compatibility with jQuery 1.9 and changes to dropdown position #9

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9a5f75c
Removed usage of $.browser, improvements to selection handling code
Apr 27, 2013
333107f
Moved dropdown close to the tag being typed
Apr 27, 2013
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3 changes: 1 addition & 2 deletions jquery-textntags.css
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,8 +40,6 @@
background: #fff;
border: 1px solid #b2b2b2;
position: absolute;
left: 0;
right: 0;
z-index: 10000;
margin-top: -2px;

Expand All @@ -61,6 +59,7 @@

.textntags-wrapper .textntags-tag-list li {
background-color: #fff;
color: black;
padding: 0 5px;
margin: 0;
width: auto;
Expand Down
164 changes: 130 additions & 34 deletions jquery-textntags.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
templates : {
wrapper : _.template('<div class="textntags-wrapper"></div>'),
beautifier : _.template('<div class="textntags-beautifier"><div></div></div>'),
tagHighlight : _.template('<strong class="<%= class_name %>"><span>$<%= idx %></span></strong>'),
tagHighlight : _.template('<strong class="<%= class_name %>"><span><%- title %></span></strong>'),
tagList : _.template('<div class="textntags-tag-list"></div>'),
tagsListItem : _.template('<li><%= title %></li>'),
tagsListItemImage : _.template('<img src="<%= img %>" />'),
Expand Down Expand Up @@ -63,27 +63,71 @@
}
return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<b>$1</b>");
},
setCaratPosition: function (domNode, caretPos) {
if (domNode.createTextRange) {
var range = domNode.createTextRange();
range.move('character', caretPos);
range.select();
} else {
if (domNode.selectionStart) {
domNode.focus();
domNode.setSelectionRange(caretPos, caretPos);
} else {
domNode.focus();
// Derived from jQuery.selection by Iwasaki Koji (@madapaja) http://blog.madapaja.net
setCaretPosition: function (element, caretPos) {
element.each(function () {
this.focus();
try {
if (this.createTextRange) {
var range = this.createTextRange();

if (window.navigator.userAgent.toLowerCase().indexOf('msie') >= 0) {
caretPos = this.value.substr(0, caretPos).replace(/\r/g, '').length;
}

range.collapse(true);
range.moveStart('character', caretPos);
range.moveEnd('character', 0);

range.select();
} else if (this.setSelectionRange) {
this.setSelectionRange(caretPos, caretPos);
}
} catch (e) {}
});
},
getCaretPosition: function (element) {
var result = {start: 0, end: 0};

if (element.length < 1) return result;

element = element[0];

if (!element.value) return result;

try {
if (window.getSelection) {
result.start = element.selectionStart;
result.end = element.selectionEnd;
} else if (document.selection) {
element.focus();

var range = document.selection.createRange(),
range2 = document.body.createTextRange(),
tmpLength;

try {
range2.moveToElementText(element);
range2.setEndPoint('StartToStart', range);
} catch (e) {
range2 = element.createTextRange();
range2.setEndPoint('StartToStart', range);
}

result.start = element.value.length - range2.text.length;
result.end = result.start + range.text.length;
}
}
} catch (e) {}

return result;
}
};

var TextNTags = function (editor) {
var settings = null, templates;
var elContainer, elEditor, elBeautifier, elTagList, elTagListItemActive;
var tagsCollection;
var currentTriggerChar, currentDataQuery;
var currentTriggerChar, currentDataQuery, currentTagPosition = 0;
var editorSelectionLength = 0, editorTextLength = 0, editorKeyCode = 0, editorAddingTag = false;
var editorInPasteMode = false, editorPasteStartPosition = 0, editorPasteCutCharacters = 0;
var REGEX_ESCAPE_CHARS = ['[', '^', '$', '.', '|', '?', '*', '+', '(', ')', '\\'];
Expand Down Expand Up @@ -156,18 +200,47 @@
function getEditorValue () {
return elEditor.val();
}

function beautifiedReplace(text) {
return text.replace(/\n/g, '<br />&shy;').replace(/ {2}/g, ' &nbsp;');
}

function pushDiffText(text, diff_text, startPosition, endPosition) {
if (currentTagPosition >= startPosition && currentTagPosition < endPosition) {
text.push(beautifiedReplace(_.escape(diff_text.substr(0, currentTagPosition - startPosition))),
'<span class="textntags-caret-position"></span>',
beautifiedReplace(_.escape(diff_text.substr(currentTagPosition - startPosition))));
} else {
text.push(beautifiedReplace(_.escape(diff_text)));
}
}

function getBeautifiedText (tagged_text) {
var beautified_text = tagged_text || getTaggedText();
var plain_text = getEditorValue(),
position = 0, beautified_text, triggers = settings.triggers;

beautified_text = _.map(tagsCollection, function (tagPos) {
var text = [],
diff_pos = tagPos[0] - position,
diff_text = diff_pos > 0 ? plain_text.substr(position, diff_pos) : '',
objPropTransformer = transformObjectProperties(triggers[tagPos[2]].keys_map),
tagMarkup = templates.tagHighlight({
title: objPropTransformer(tagPos[3], false).title,
class_name: triggers[tagPos[2]].classes.tagHighlight
});

pushDiffText(text, diff_text, position, tagPos[0]);

text.push(tagMarkup);

_.each(settings.triggers, function (trigger) {
var markup = templates.tagHighlight({idx: trigger.parserGroups.title, class_name: trigger.classes.tagHighlight});
beautified_text = beautified_text.replace(trigger.parser, markup);
position = tagPos[0] + tagPos[1];

return text.join('');
});
beautified_text = beautified_text.replace(/\n/g, '<br />&shy;');
beautified_text = beautified_text.replace(/ {2}/g, ' &nbsp;') + '&shy;';
return beautified_text;

pushDiffText(beautified_text, plain_text.substr(position), position, plain_text.length);

return beautified_text.join('') + '&shy;';
}

function getTaggedText() {
Expand Down Expand Up @@ -235,14 +308,31 @@

function updateBeautifier () {
elBeautifier.find('div').html(getBeautifiedText());
var el = elBeautifier.find('span.textntags-caret-position');

if (el.length > 0) {
var pos = el.position(), ofs = el.offset();
if (ofs.top > ($(document).height() * 0.75)) {
pos = {
top: 'auto',
left: pos.left + 'px',
bottom: (el.offsetParent().height() - pos.top + 30) + 'px'
};
} else {
pos = {
top: pos.top + 'px',
left: pos.left + 'px'
};
}
elTagList.css(pos);
}
elEditor.css('height', elBeautifier.outerHeight() + 'px');
}

function checkForTrigger(look_ahead) {
look_ahead = look_ahead || 0;

var selectionStartFix = $.browser.webkit ? 0 : -1,
sStart = elEditor[0].selectionStart + selectionStartFix,
var sStart = utils.getCaretPosition(elEditor).start,
left_text = elEditor.val().substr(0, sStart + look_ahead),
found_trigger, found_trigger_char = null, query;

Expand All @@ -265,6 +355,7 @@
} else {
currentDataQuery = query;
currentTriggerChar = found_trigger_char;
currentTagPosition = left_text.length - query.length - found_trigger_char.length;
_.defer(_.bind(searchTags, this, currentDataQuery, found_trigger_char));
}
}
Expand All @@ -275,8 +366,9 @@

function onEditorKeyDown (e) {
var keys = KEY, // store in local var for faster lookup
sStart = elEditor[0].selectionStart,
sEnd = elEditor[0].selectionEnd,
selection = utils.getCaretPosition(elEditor),
sStart = selection.start,
sEnd = selection.end,
plain_text = elEditor.val();

editorSelectionLength = sEnd - sStart;
Expand Down Expand Up @@ -374,29 +466,31 @@
return;
}

var sStart = elEditor[0].selectionStart,
sEnd = elEditor[0].selectionEnd;
var selection = utils.getCaretPosition(elEditor),
sStart = selection.start,
sEnd = selection.end;

shiftTagsPosition(editorPasteStartPosition, sEnd - editorPasteStartPosition - editorPasteCutCharacters);
updateBeautifier();
}
}

function onEditorInput (e) {
var selectionStartFix = $.browser.webkit ? 0 : -1;
if (editorKeyCode != KEY.BACKSPACE && editorKeyCode != KEY['DELETE']) {
if (editorSelectionLength > 0) {
// delete of selection occured
var sStart = elEditor[0].selectionStart + selectionStartFix,
var selection = utils.getCaretPosition(elEditor),
sStart = selection.start,
selectionLength = editorSelectionLength,
sEnd = sStart + selectionLength,
tags_shift_positions = elEditor.val().length - editorTextLength;
removeTagsInRange(sStart, sEnd);
shiftTagsPosition(sEnd, tags_shift_positions);
} else if (!editorInPasteMode) {
// char input - shift with 1
var sStart = elEditor[0].selectionStart + selectionStartFix,
sEnd = elEditor[0].selectionEnd + selectionStartFix,
var selection = utils.getCaretPosition(elEditor),
sStart = selection.start,
sEnd = selection.end,
selectionLength = sEnd - sStart;

if (editorKeyCode == KEY.RETURN) {
Expand Down Expand Up @@ -458,7 +552,7 @@
objPropTransformer = transformObjectProperties(trigger.keys_map),
localTag = objPropTransformer(tag, false),
plain_text = getEditorValue(),
sStart = elEditor[0].selectionStart,
sStart = utils.getCaretPosition(elEditor).start,
tagStart = sStart - currentTriggerChar.length - currentDataQuery.length,
newCaretPosition = tagStart + localTag.title.length,
left_text = plain_text.substr(0, tagStart),
Expand All @@ -482,7 +576,7 @@
updateBeautifier();

elEditor.focus();
utils.setCaratPosition(elEditor[0], newCaretPosition);
utils.setCaretPosition(elEditor, newCaretPosition);

elEditor.trigger('tagsAdded.textntags', [[tag]]);
}
Expand All @@ -501,6 +595,8 @@
function populateTagList (query, triggerChar, results) {
var trigger = settings.triggers[triggerChar];

updateBeautifier();

if (trigger.uniqueTags) {
// Filter items that has already been mentioned
var id_key = trigger.keys_map.id, tagIds = _.map(tagsCollection, function (tagPos) { return tagPos[3][id_key]; });
Expand Down