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roundcubemail/plugins/legacy_browser/js/iehacks.js

99 lines
2.8 KiB
JavaScript

// Make getElementById() case-sensitive on IE7
document._getElementById = document.getElementById;
document.getElementById = function(id)
{
var i = 0, obj = document._getElementById(id);
if (obj && obj.id != id)
while ((obj = document.all[i]) && obj.id != id)
i++;
return obj;
}
// fix missing :last-child selectors
$(document).ready(function() {
if (rcmail && rcmail.env.skin != 'classic')
$('ul.treelist ul').each(function(i, ul) {
$('li:last-child', ul).css('border-bottom', 0);
});
});
// gets cursor position (IE<9)
rcube_webmail.prototype.get_caret_pos = function(obj)
{
if (document.selection && document.selection.createRange) {
var range = document.selection.createRange();
if (range.parentElement() != obj)
return 0;
var gm = range.duplicate();
if (obj.tagName == 'TEXTAREA')
gm.moveToElementText(obj);
else
gm.expand('textedit');
gm.setEndPoint('EndToStart', range);
var p = gm.text.length;
return p <= obj.value.length ? p : -1;
}
return obj.value.length;
};
// moves cursor to specified position (IE<9)
rcube_webmail.prototype.set_caret_pos = function(obj, pos)
{
if (obj.createTextRange) {
var range = obj.createTextRange();
range.collapse(true);
range.moveEnd('character', pos);
range.moveStart('character', pos);
range.select();
}
};
// get selected text from an input field (IE<9)
// http://stackoverflow.com/questions/7186586/how-to-get-the-selected-text-in-textarea-using-jquery-in-internet-explorer-7
rcube_webmail.prototype.get_input_selection = function(obj)
{
var start = 0, end = 0, len,
normalizedValue, textInputRange, endRange,
range = document.selection.createRange();
if (range && range.parentElement() == obj) {
len = obj.value.length;
normalizedValue = obj.value; //.replace(/\r\n/g, "\n");
// create a working TextRange that lives only in the input
textInputRange = obj.createTextRange();
textInputRange.moveToBookmark(range.getBookmark());
// Check if the start and end of the selection are at the very end
// of the input, since moveStart/moveEnd doesn't return what we want
// in those cases
endRange = obj.createTextRange();
endRange.collapse(false);
if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
start = end = len;
}
else {
start = -textInputRange.moveStart("character", -len);
start += normalizedValue.slice(0, start).split("\n").length - 1;
if (textInputRange.compareEndPoints("EndToEnd", endRange) > -1) {
end = len;
}
else {
end = -textInputRange.moveEnd("character", -len);
end += normalizedValue.slice(0, end).split("\n").length - 1;
}
}
}
return {start: start, end: end, text: normalizedValue.substr(start, end-start)};
};