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simplified wrapInsImage

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onli
2013-02-24 19:02:19 +01:00
parent efa9ffbd3a
commit 05291b606d
1 changed files with 32 additions and 70 deletions
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102
serendipity_editor.js
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@@ -29,72 +29,34 @@
// This variable isn't used anywhere else? // This variable isn't used anywhere else?
var thisForm; var thisForm;
// Returns "position" of selection in textarea (Mozilla)? // Returns "position" of selection in textarea
// Used internally by wrapSelectionWithLink() // Used internally by wrapSelectionWithLink()
function getMozSelection(txtarea) { function getSelection($txtarea) {
var selLength = txtarea.textLength; var start = $txtarea[0].selectionStart;
var selStart = txtarea.selectionStart; var end = $txtarea[0].selectionEnd;
var selEnd = txtarea.selectionEnd; return $txtarea.val().substring(start, end);
if (selEnd==1 || selEnd==2) {
selEnd=selLength;
}
return (txtarea.value).substring(selStart, selEnd);
}
// Returns "position" of selection in textarea (IE)?
// Used internally by wrapSelectionWithLink()
function getIESelection(txtarea) {
return document.selection.createRange().text;
}
// Wraps selection in tags passed as arguments (Mozilla)
// Used internally by wrapSelection()
function mozWrap(txtarea, lft, rgt) {
var selLength = txtarea.textLength;
var selStart = txtarea.selectionStart;
var selEnd = txtarea.selectionEnd;
if (txtarea.setSelectionRange) {
if (selEnd==1 || selEnd==2) selEnd=selLength;
var s1 = (txtarea.value).substring(0,selStart);
var s2 = (txtarea.value).substring(selStart, selEnd)
var s3 = (txtarea.value).substring(selEnd, selLength);
txtarea.value = s1 + lft + s2 + rgt + s3;
} else {
txtarea.value = txtarea.value + ' ' + lft + rgt + ' ';
}
}
// Wraps selection in tags passed as arguments (IE)
// Used internally by wrapSelection()
function IEWrap(txtarea, lft, rgt) {
strSelection = document.selection.createRange().text;
if (strSelection != "") {
document.selection.createRange().text = lft + strSelection + rgt;
} else {
txtarea.value = txtarea.value + lft + rgt;
}
} }
// Used by non-wysiwyg editor toolbar buttons to wrap selection // Used by non-wysiwyg editor toolbar buttons to wrap selection
// in a element associated with toolbar button // in a element associated with toolbar button
function wrapSelection(txtarea, lft, rgt) { function wrapSelection(txtarea, openTag, closeTag) {
scrollPos = false; scrollPos = false;
if (txtarea.scrollTop) { if (txtarea.scrollTop) {
scrollPos = txtarea.scrollTop; scrollPos = txtarea.scrollTop;
} }
if (document.all) { // http://stackoverflow.com/questions/1712417/jquery-wrap-selected-text-in-a-textarea
IEWrap(txtarea, lft, rgt); var $txtarea = jQuery(txtarea);
} else if (document.getElementById) { var len = $txtarea.val().length;
mozWrap(txtarea, lft, rgt); var start = $txtarea[0].selectionStart;
} var end = $txtarea[0].selectionEnd;
var selectedText = $txtarea.val().substring(start, end);
var replacement = openTag + selectedText + closeTag;
$txtarea.val($txtarea.val().substring(0, start) + replacement + $txtarea.val().substring(end, len));
$txtarea[0].selectionStart = start + replacement.length
$txtarea[0].selectionEnd = start + replacement.length
if (scrollPos) { if (scrollPos) {
txtarea.focus(); txtarea.focus();
@@ -107,8 +69,7 @@ function wrapSelection(txtarea, lft, rgt) {
function wrapSelectionWithLink(txtarea) { function wrapSelectionWithLink(txtarea) {
var my_link = prompt("Enter URL:","http://"); var my_link = prompt("Enter URL:","http://");
if (document.all && getIESelection(txtarea) == "" || if (getSelection(jQuery(txtarea) ) == "") {
document.getElementById && getMozSelection(txtarea) == "") {
var my_desc = prompt("Enter Description", ''); var my_desc = prompt("Enter Description", '');
} }
@@ -138,33 +99,34 @@ function wrapSelectionWithLink(txtarea) {
// Adds img element to selected text // Adds img element to selected text
// Used internally by wrapInsImage() // Used internally by wrapInsImage()
function mozInsert(txtarea, str) { function insertText(txtarea, str) {
var selLength = txtarea.textLength; $txtarea = jQuery(txtarea);
var selStart = txtarea.selectionStart; var selLength = $txtarea.val().length;
var selEnd = txtarea.selectionEnd; var selStart = $txtarea[0].selectionStart;
var selEnd = $txtarea[0].selectionEnd;
if (selEnd==1 || selEnd==2) { if (selEnd==1 || selEnd==2) {
selEnd=selLength; selEnd=selLength;
} }
var s1 = (txtarea.value).substring(0,selStart); var before = $txtarea.val().substring(0,selStart);
var s2 = (txtarea.value).substring(selStart, selEnd) var after = $txtarea.val().substring(selStart);
var s3 = (txtarea.value).substring(selEnd, selLength);
txtarea.value = s1 + str + s2 + s3; $txtarea.val(before + str + after);
$txtarea[0].selectionStart = selStart + str.length
$txtarea[0].selectionEnd = selStart + str.length
} }
// Used by non-wysiwyg editor toolbar buttons to wrap selection // Used by non-wysiwyg editor toolbar buttons to wrap selection
// in <img> element (only); doesn't really "wrap", merely inserts // in <img> element (only); doesn't really "wrap", merely inserts
// an <img> element before selected text // an <img> element before selected text
function wrapInsImage(area) { function wrapInsImage(txtarea) {
var loc = prompt('Enter the Image Location: '); var loc = prompt('Enter the Image Location: ');
if (!loc) { if (loc) {
return; insertText(txtarea,'<img src="'+ loc + '" alt="" />');
} }
mozInsert(area,'<img src="'+ loc + '" alt="" />');
} }
/* end Better-Editor functions */ /* end Better-Editor functions */