From 8eefbb2158c43b51a8c33e6c480cbe61539b9535 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 27 Aug 2012 04:16:04 -0400
Subject: [PATCH] Add option to enable HTML editor on forwarding (#1488517)
---
program/js/tiny_mce/plugins/noneditable/editor_plugin_src.js | 564 ++++++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 503 insertions(+), 61 deletions(-)
diff --git a/program/js/tiny_mce/plugins/noneditable/editor_plugin_src.js b/program/js/tiny_mce/plugins/noneditable/editor_plugin_src.js
index 916dce2..a18bcd7 100644
--- a/program/js/tiny_mce/plugins/noneditable/editor_plugin_src.js
+++ b/program/js/tiny_mce/plugins/noneditable/editor_plugin_src.js
@@ -9,37 +9,515 @@
*/
(function() {
- var Event = tinymce.dom.Event;
+ var TreeWalker = tinymce.dom.TreeWalker;
+ var externalName = 'contenteditable', internalName = 'data-mce-' + externalName;
+ var VK = tinymce.VK;
+
+ function handleContentEditableSelection(ed) {
+ var dom = ed.dom, selection = ed.selection, invisibleChar, caretContainerId = 'mce_noneditablecaret', invisibleChar = '\uFEFF';
+
+ // Returns the content editable state of a node "true/false" or null
+ function getContentEditable(node) {
+ var contentEditable;
+
+ // Ignore non elements
+ if (node.nodeType === 1) {
+ // Check for fake content editable
+ contentEditable = node.getAttribute(internalName);
+ if (contentEditable && contentEditable !== "inherit") {
+ return contentEditable;
+ }
+
+ // Check for real content editable
+ contentEditable = node.contentEditable;
+ if (contentEditable !== "inherit") {
+ return contentEditable;
+ }
+ }
+
+ return null;
+ };
+
+ // Returns the noneditable parent or null if there is a editable before it or if it wasn't found
+ function getNonEditableParent(node) {
+ var state;
+
+ while (node) {
+ state = getContentEditable(node);
+ if (state) {
+ return state === "false" ? node : null;
+ }
+
+ node = node.parentNode;
+ }
+ };
+
+ // Get caret container parent for the specified node
+ function getParentCaretContainer(node) {
+ while (node) {
+ if (node.id === caretContainerId) {
+ return node;
+ }
+
+ node = node.parentNode;
+ }
+ };
+
+ // Finds the first text node in the specified node
+ function findFirstTextNode(node) {
+ var walker;
+
+ if (node) {
+ walker = new TreeWalker(node, node);
+
+ for (node = walker.current(); node; node = walker.next()) {
+ if (node.nodeType === 3) {
+ return node;
+ }
+ }
+ }
+ };
+
+ // Insert caret container before/after target or expand selection to include block
+ function insertCaretContainerOrExpandToBlock(target, before) {
+ var caretContainer, rng;
+
+ // Select block
+ if (getContentEditable(target) === "false") {
+ if (dom.isBlock(target)) {
+ selection.select(target);
+ return;
+ }
+ }
+
+ rng = dom.createRng();
+
+ if (getContentEditable(target) === "true") {
+ if (!target.firstChild) {
+ target.appendChild(ed.getDoc().createTextNode('\u00a0'));
+ }
+
+ target = target.firstChild;
+ before = true;
+ }
+
+ //caretContainer = dom.create('span', {id: caretContainerId, 'data-mce-bogus': true, style:'border: 1px solid red'}, invisibleChar);
+ caretContainer = dom.create('span', {id: caretContainerId, 'data-mce-bogus': true}, invisibleChar);
+
+ if (before) {
+ target.parentNode.insertBefore(caretContainer, target);
+ } else {
+ dom.insertAfter(caretContainer, target);
+ }
+
+ rng.setStart(caretContainer.firstChild, 1);
+ rng.collapse(true);
+ selection.setRng(rng);
+
+ return caretContainer;
+ };
+
+ // Removes any caret container except the one we might be in
+ function removeCaretContainer(caretContainer) {
+ var child, currentCaretContainer, lastContainer;
+
+ if (caretContainer) {
+ rng = selection.getRng(true);
+ rng.setStartBefore(caretContainer);
+ rng.setEndBefore(caretContainer);
+
+ child = findFirstTextNode(caretContainer);
+ if (child && child.nodeValue.charAt(0) == invisibleChar) {
+ child = child.deleteData(0, 1);
+ }
+
+ dom.remove(caretContainer, true);
+
+ selection.setRng(rng);
+ } else {
+ currentCaretContainer = getParentCaretContainer(selection.getStart());
+ while ((caretContainer = dom.get(caretContainerId)) && caretContainer !== lastContainer) {
+ if (currentCaretContainer !== caretContainer) {
+ child = findFirstTextNode(caretContainer);
+ if (child && child.nodeValue.charAt(0) == invisibleChar) {
+ child = child.deleteData(0, 1);
+ }
+
+ dom.remove(caretContainer, true);
+ }
+
+ lastContainer = caretContainer;
+ }
+ }
+ };
+
+ // Modifies the selection to include contentEditable false elements or insert caret containers
+ function moveSelection() {
+ var nonEditableStart, nonEditableEnd, isCollapsed, rng, element;
+
+ // Checks if there is any contents to the left/right side of caret returns the noneditable element or any editable element if it finds one inside
+ function hasSideContent(element, left) {
+ var container, offset, walker, node, len;
+
+ container = rng.startContainer;
+ offset = rng.startOffset;
+
+ // If endpoint is in middle of text node then expand to beginning/end of element
+ if (container.nodeType == 3) {
+ len = container.nodeValue.length;
+ if ((offset > 0 && offset < len) || (left ? offset == len : offset == 0)) {
+ return;
+ }
+ } else {
+ // Can we resolve the node by index
+ if (offset < container.childNodes.length) {
+ // Browser represents caret position as the offset at the start of an element. When moving right
+ // this is the element we are moving into so we consider our container to be child node at offset-1
+ var pos = !left && offset > 0 ? offset-1 : offset;
+ container = container.childNodes[pos];
+ if (container.hasChildNodes()) {
+ container = container.firstChild;
+ }
+ } else {
+ // If not then the caret is at the last position in it's container and the caret container should be inserted after the noneditable element
+ return !left ? element : null;
+ }
+ }
+
+ // Walk left/right to look for contents
+ walker = new TreeWalker(container, element);
+ while (node = walker[left ? 'prev' : 'next']()) {
+ if (node.nodeType === 3 && node.nodeValue.length > 0) {
+ return;
+ } else if (getContentEditable(node) === "true") {
+ // Found contentEditable=true element return this one to we can move the caret inside it
+ return node;
+ }
+ }
+
+ return element;
+ };
+
+ // Remove any existing caret containers
+ removeCaretContainer();
+
+ // Get noneditable start/end elements
+ isCollapsed = selection.isCollapsed();
+ nonEditableStart = getNonEditableParent(selection.getStart());
+ nonEditableEnd = getNonEditableParent(selection.getEnd());
+
+ // Is any fo the range endpoints noneditable
+ if (nonEditableStart || nonEditableEnd) {
+ rng = selection.getRng(true);
+
+ // If it's a caret selection then look left/right to see if we need to move the caret out side or expand
+ if (isCollapsed) {
+ nonEditableStart = nonEditableStart || nonEditableEnd;
+ var start = selection.getStart();
+ if (element = hasSideContent(nonEditableStart, true)) {
+ // We have no contents to the left of the caret then insert a caret container before the noneditable element
+ insertCaretContainerOrExpandToBlock(element, true);
+ } else if (element = hasSideContent(nonEditableStart, false)) {
+ // We have no contents to the right of the caret then insert a caret container after the noneditable element
+ insertCaretContainerOrExpandToBlock(element, false);
+ } else {
+ // We are in the middle of a noneditable so expand to select it
+ selection.select(nonEditableStart);
+ }
+ } else {
+ rng = selection.getRng(true);
+
+ // Expand selection to include start non editable element
+ if (nonEditableStart) {
+ rng.setStartBefore(nonEditableStart);
+ }
+
+ // Expand selection to include end non editable element
+ if (nonEditableEnd) {
+ rng.setEndAfter(nonEditableEnd);
+ }
+
+ selection.setRng(rng);
+ }
+ }
+ };
+
+ function handleKey(ed, e) {
+ var keyCode = e.keyCode, nonEditableParent, caretContainer, startElement, endElement;
+
+ function getNonEmptyTextNodeSibling(node, prev) {
+ while (node = node[prev ? 'previousSibling' : 'nextSibling']) {
+ if (node.nodeType !== 3 || node.nodeValue.length > 0) {
+ return node;
+ }
+ }
+ };
+
+ function positionCaretOnElement(element, start) {
+ selection.select(element);
+ selection.collapse(start);
+ }
+
+ function canDelete(backspace) {
+ var rng, container, offset, nonEditableParent;
+
+ function removeNodeIfNotParent(node) {
+ var parent = container;
+
+ while (parent) {
+ if (parent === node) {
+ return;
+ }
+
+ parent = parent.parentNode;
+ }
+
+ dom.remove(node);
+ moveSelection();
+ }
+
+ function isNextPrevTreeNodeNonEditable() {
+ var node, walker, nonEmptyElements = ed.schema.getNonEmptyElements();
+
+ walker = new tinymce.dom.TreeWalker(container, ed.getBody());
+ while (node = (backspace ? walker.prev() : walker.next())) {
+ // Found IMG/INPUT etc
+ if (nonEmptyElements[node.nodeName.toLowerCase()]) {
+ break;
+ }
+
+ // Found text node with contents
+ if (node.nodeType === 3 && tinymce.trim(node.nodeValue).length > 0) {
+ break;
+ }
+
+ // Found non editable node
+ if (getContentEditable(node) === "false") {
+ removeNodeIfNotParent(node);
+ return true;
+ }
+ }
+
+ // Check if the content node is within a non editable parent
+ if (getNonEditableParent(node)) {
+ return true;
+ }
+
+ return false;
+ }
+
+ if (selection.isCollapsed()) {
+ rng = selection.getRng(true);
+ container = rng.startContainer;
+ offset = rng.startOffset;
+ container = getParentCaretContainer(container) || container;
+
+ // Is in noneditable parent
+ if (nonEditableParent = getNonEditableParent(container)) {
+ removeNodeIfNotParent(nonEditableParent);
+ return false;
+ }
+
+ // Check if the caret is in the middle of a text node
+ if (container.nodeType == 3 && (backspace ? offset > 0 : offset < container.nodeValue.length)) {
+ return true;
+ }
+
+ // Resolve container index
+ if (container.nodeType == 1) {
+ container = container.childNodes[offset] || container;
+ }
+
+ // Check if previous or next tree node is non editable then block the event
+ if (isNextPrevTreeNodeNonEditable()) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ startElement = selection.getStart()
+ endElement = selection.getEnd();
+
+ // Disable all key presses in contentEditable=false except delete or backspace
+ nonEditableParent = getNonEditableParent(startElement) || getNonEditableParent(endElement);
+ if (nonEditableParent && (keyCode < 112 || keyCode > 124) && keyCode != VK.DELETE && keyCode != VK.BACKSPACE) {
+ // Is Ctrl+c, Ctrl+v or Ctrl+x then use default browser behavior
+ if ((tinymce.isMac ? e.metaKey : e.ctrlKey) && (keyCode == 67 || keyCode == 88 || keyCode == 86)) {
+ return;
+ }
+
+ e.preventDefault();
+
+ // Arrow left/right select the element and collapse left/right
+ if (keyCode == VK.LEFT || keyCode == VK.RIGHT) {
+ var left = keyCode == VK.LEFT;
+ // If a block element find previous or next element to position the caret
+ if (ed.dom.isBlock(nonEditableParent)) {
+ var targetElement = left ? nonEditableParent.previousSibling : nonEditableParent.nextSibling;
+ var walker = new TreeWalker(targetElement, targetElement);
+ var caretElement = left ? walker.prev() : walker.next();
+ positionCaretOnElement(caretElement, !left);
+ } else {
+ positionCaretOnElement(nonEditableParent, left);
+ }
+ }
+ } else {
+ // Is arrow left/right, backspace or delete
+ if (keyCode == VK.LEFT || keyCode == VK.RIGHT || keyCode == VK.BACKSPACE || keyCode == VK.DELETE) {
+ caretContainer = getParentCaretContainer(startElement);
+ if (caretContainer) {
+ // Arrow left or backspace
+ if (keyCode == VK.LEFT || keyCode == VK.BACKSPACE) {
+ nonEditableParent = getNonEmptyTextNodeSibling(caretContainer, true);
+
+ if (nonEditableParent && getContentEditable(nonEditableParent) === "false") {
+ e.preventDefault();
+
+ if (keyCode == VK.LEFT) {
+ positionCaretOnElement(nonEditableParent, true);
+ } else {
+ dom.remove(nonEditableParent);
+ return;
+ }
+ } else {
+ removeCaretContainer(caretContainer);
+ }
+ }
+
+ // Arrow right or delete
+ if (keyCode == VK.RIGHT || keyCode == VK.DELETE) {
+ nonEditableParent = getNonEmptyTextNodeSibling(caretContainer);
+
+ if (nonEditableParent && getContentEditable(nonEditableParent) === "false") {
+ e.preventDefault();
+
+ if (keyCode == VK.RIGHT) {
+ positionCaretOnElement(nonEditableParent, false);
+ } else {
+ dom.remove(nonEditableParent);
+ return;
+ }
+ } else {
+ removeCaretContainer(caretContainer);
+ }
+ }
+ }
+
+ if ((keyCode == VK.BACKSPACE || keyCode == VK.DELETE) && !canDelete(keyCode == VK.BACKSPACE)) {
+ e.preventDefault();
+ return false;
+ }
+ }
+ }
+ };
+
+ ed.onMouseDown.addToTop(function(ed, e) {
+ var node = ed.selection.getNode();
+
+ if (getContentEditable(node) === "false" && node == e.target) {
+ // Expand selection on mouse down we can't block the default event since it's used for drag/drop
+ moveSelection();
+ }
+ });
+
+ ed.onMouseUp.addToTop(moveSelection);
+ ed.onKeyDown.addToTop(handleKey);
+ ed.onKeyUp.addToTop(moveSelection);
+ };
tinymce.create('tinymce.plugins.NonEditablePlugin', {
init : function(ed, url) {
- var t = this, editClass, nonEditClass, state;
+ var editClass, nonEditClass, nonEditableRegExps;
- t.editor = ed;
- editClass = ed.getParam("noneditable_editable_class", "mceEditable");
- nonEditClass = ed.getParam("noneditable_noneditable_class", "mceNonEditable");
+ // Converts configured regexps to noneditable span items
+ function convertRegExpsToNonEditable(ed, args) {
+ var i = nonEditableRegExps.length, content = args.content, cls = tinymce.trim(nonEditClass);
- ed.onNodeChange.addToTop(function(ed, cm, n) {
- var sc, ec;
-
- // Block if start or end is inside a non editable element
- sc = ed.dom.getParent(ed.selection.getStart(), function(n) {
- return ed.dom.hasClass(n, nonEditClass);
- });
-
- ec = ed.dom.getParent(ed.selection.getEnd(), function(n) {
- return ed.dom.hasClass(n, nonEditClass);
- });
-
- // Block or unblock
- if (sc || ec) {
- state = 1;
- t._setDisabled(1);
- return false;
- } else if (state == 1) {
- t._setDisabled(0);
- state = 0;
+ // Don't replace the variables when raw is used for example on undo/redo
+ if (args.format == "raw") {
+ return;
}
+
+ while (i--) {
+ content = content.replace(nonEditableRegExps[i], function(match) {
+ var args = arguments, index = args[args.length - 2];
+
+ // Is value inside an attribute then don't replace
+ if (index > 0 && content.charAt(index - 1) == '"') {
+ return match;
+ }
+
+ return '<span class="' + cls + '" data-mce-content="' + ed.dom.encode(args[0]) + '">' + ed.dom.encode(typeof(args[1]) === "string" ? args[1] : args[0]) + '</span>';
+ });
+ }
+
+ args.content = content;
+ };
+
+ editClass = " " + tinymce.trim(ed.getParam("noneditable_editable_class", "mceEditable")) + " ";
+ nonEditClass = " " + tinymce.trim(ed.getParam("noneditable_noneditable_class", "mceNonEditable")) + " ";
+
+ // Setup noneditable regexps array
+ nonEditableRegExps = ed.getParam("noneditable_regexp");
+ if (nonEditableRegExps && !nonEditableRegExps.length) {
+ nonEditableRegExps = [nonEditableRegExps];
+ }
+
+ ed.onPreInit.add(function() {
+ handleContentEditableSelection(ed);
+
+ if (nonEditableRegExps) {
+ ed.selection.onBeforeSetContent.add(convertRegExpsToNonEditable);
+ ed.onBeforeSetContent.add(convertRegExpsToNonEditable);
+ }
+
+ // Apply contentEditable true/false on elements with the noneditable/editable classes
+ ed.parser.addAttributeFilter('class', function(nodes) {
+ var i = nodes.length, className, node;
+
+ while (i--) {
+ node = nodes[i];
+ className = " " + node.attr("class") + " ";
+
+ if (className.indexOf(editClass) !== -1) {
+ node.attr(internalName, "true");
+ } else if (className.indexOf(nonEditClass) !== -1) {
+ node.attr(internalName, "false");
+ }
+ }
+ });
+
+ // Remove internal name
+ ed.serializer.addAttributeFilter(internalName, function(nodes, name) {
+ var i = nodes.length, node;
+
+ while (i--) {
+ node = nodes[i];
+
+ if (nonEditableRegExps && node.attr('data-mce-content')) {
+ node.name = "#text";
+ node.type = 3;
+ node.raw = true;
+ node.value = node.attr('data-mce-content');
+ } else {
+ node.attr(externalName, null);
+ node.attr(internalName, null);
+ }
+ }
+ });
+
+ // Convert external name into internal name
+ ed.parser.addAttributeFilter(externalName, function(nodes, name) {
+ var i = nodes.length, node;
+
+ while (i--) {
+ node = nodes[i];
+ node.attr(internalName, node.attr(externalName));
+ node.attr(externalName, null);
+ }
+ });
});
},
@@ -51,42 +529,6 @@
infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/noneditable',
version : tinymce.majorVersion + "." + tinymce.minorVersion
};
- },
-
- _block : function(ed, e) {
- var k = e.keyCode;
-
- // Don't block arrow keys, pg up/down, and F1-F12
- if ((k > 32 && k < 41) || (k > 111 && k < 124))
- return;
-
- return Event.cancel(e);
- },
-
- _setDisabled : function(s) {
- var t = this, ed = t.editor;
-
- tinymce.each(ed.controlManager.controls, function(c) {
- c.setDisabled(s);
- });
-
- if (s !== t.disabled) {
- if (s) {
- ed.onKeyDown.addToTop(t._block);
- ed.onKeyPress.addToTop(t._block);
- ed.onKeyUp.addToTop(t._block);
- ed.onPaste.addToTop(t._block);
- ed.onContextMenu.addToTop(t._block);
- } else {
- ed.onKeyDown.remove(t._block);
- ed.onKeyPress.remove(t._block);
- ed.onKeyUp.remove(t._block);
- ed.onPaste.remove(t._block);
- ed.onContextMenu.remove(t._block);
- }
-
- t.disabled = s;
- }
}
});
--
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