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| define(["require", "exports", "@syncfusion/ej2-base"], function (require, exports, ej2_base_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var NodeSelection = (function () {
function NodeSelection(editElement) {
this.startNodeName = [];
this.endNodeName = [];
this.editableElement = editElement;
}
NodeSelection.prototype.saveInstance = function (range, body) {
this.range = range.cloneRange();
this.rootNode = this.documentFromRange(range);
this.body = body;
this.startContainer = this.getNodeArray(range.startContainer, true);
this.endContainer = this.getNodeArray(range.endContainer, false);
this.startOffset = range.startOffset;
this.endOffset = range.endOffset;
this.html = this.body.innerHTML;
return this;
};
NodeSelection.prototype.documentFromRange = function (range) {
return (9 === range.startContainer.nodeType) ? range.startContainer : range.startContainer.ownerDocument;
};
NodeSelection.prototype.getRange = function (docElement) {
var select = this.get(docElement);
var range = select && select.rangeCount > 0 ? select.getRangeAt(select.rangeCount - 1) : docElement.createRange();
return (range.startContainer !== docElement || range.endContainer !== docElement
|| range.startOffset || range.endOffset || (range.setStart(docElement.body, 0),
range.collapse(!0)),
range);
};
NodeSelection.prototype.get = function (docElement) {
return docElement.defaultView.getSelection();
};
NodeSelection.prototype.save = function (range, docElement) {
range = (range) ? range.cloneRange() : this.getRange(docElement);
return this.saveInstance(range, docElement.body);
};
NodeSelection.prototype.getIndex = function (node) {
var index;
var num = 0;
node = !node.previousSibling && node.tagName === 'BR' ? node : node.previousSibling;
if (node) {
for (var type = node.nodeType; node; null) {
index = node.nodeType;
num++;
type = index;
node = node.previousSibling;
}
}
return num;
};
NodeSelection.prototype.isChildNode = function (nodeCollection, parentNode) {
for (var index = 0; index < parentNode.childNodes.length; index++) {
if (nodeCollection.indexOf(parentNode.childNodes[index]) > -1) {
return true;
}
}
return false;
};
NodeSelection.prototype.getNode = function (startNode, endNode, nodeCollection) {
if (this.editableElement && (!this.editableElement.contains(startNode) || this.editableElement === startNode)) {
return null;
}
if (endNode === startNode &&
(startNode.nodeType === 3 || !startNode.firstChild || nodeCollection.indexOf(startNode.firstChild) !== -1
|| this.isChildNode(nodeCollection, startNode))) {
return null;
}
if (startNode.nodeType === 3 && startNode.previousSibling === endNode && endNode.nodeName === 'IMG') {
return null;
}
if (nodeCollection.indexOf(startNode.firstChild) === -1 && startNode.firstChild && !this.isChildNode(nodeCollection, startNode)) {
return startNode.firstChild;
}
if (startNode.nextSibling) {
return startNode.nextSibling;
}
if (!startNode.parentNode) {
return null;
}
else {
return startNode.parentNode;
}
};
NodeSelection.prototype.getNodeCollection = function (range) {
var startNode = range.startContainer.childNodes[range.startOffset]
|| range.startContainer;
var endNode = range.endContainer.childNodes[(range.endOffset > 0) ? (range.endOffset - 1) : range.endOffset]
|| range.endContainer;
var tableCursor = this.processedTableImageCursor(range);
if (tableCursor.start || tableCursor.end) {
Eif (tableCursor.startName === 'TABLE' || tableCursor.endName === 'TABLE') {
return [];
}
}
if ((startNode === endNode || (startNode.nodeName === 'BR' && startNode === range.endContainer.childNodes[range.endOffset])) &&
startNode.childNodes.length === 0) {
return [startNode];
}
Iif (range.startOffset === range.endOffset && range.startOffset !== 0 && range.startContainer.nodeName === 'PRE') {
return [startNode.nodeName === 'BR' || startNode.nodeName === '#text' ? startNode : startNode.childNodes[0]];
}
var nodeCollection = [];
do {
if (nodeCollection.indexOf(startNode) === -1) {
nodeCollection.push(startNode);
}
startNode = this.getNode(startNode, endNode, nodeCollection);
} while (startNode);
return nodeCollection;
};
NodeSelection.prototype.getParentNodeCollection = function (range) {
return this.getParentNodes(this.getNodeCollection(range), range);
};
NodeSelection.prototype.getParentNodes = function (nodeCollection, range) {
nodeCollection = nodeCollection.reverse();
for (var index = 0; index < nodeCollection.length; index++) {
if ((nodeCollection.indexOf(nodeCollection[index].parentNode) !== -1)
|| (nodeCollection[index].nodeType === 3 &&
range.startContainer !== range.endContainer &&
range.startContainer.parentNode !== range.endContainer.parentNode)) {
nodeCollection.splice(index, 1);
index--;
}
else if (nodeCollection[index].nodeType === 3) {
nodeCollection[index] = nodeCollection[index].parentNode;
}
}
return nodeCollection;
};
NodeSelection.prototype.getSelectionNodeCollection = function (range) {
return this.getSelectionNodes(this.getNodeCollection(range));
};
NodeSelection.prototype.getSelectionNodeCollectionBr = function (range) {
return this.getSelectionNodesBr(this.getNodeCollection(range));
};
NodeSelection.prototype.getSelectionNodes = function (nodeCollection) {
nodeCollection = nodeCollection.reverse();
var regEx = new RegExp('\u200B', 'g');
for (var index = 0; index < nodeCollection.length; index++) {
if (nodeCollection[index].nodeType !== 3 || (nodeCollection[index].textContent.trim() === '' ||
(nodeCollection[index].textContent.length === 1 && nodeCollection[index].textContent.match(regEx)))) {
nodeCollection.splice(index, 1);
index--;
}
}
return nodeCollection.reverse();
};
NodeSelection.prototype.getSelectionNodesBr = function (nodeCollection) {
nodeCollection = nodeCollection.reverse();
var regEx = new RegExp('\u200B', 'g');
for (var index = 0; index < nodeCollection.length; index++) {
if (nodeCollection[index].nodeName !== 'BR' &&
(nodeCollection[index].nodeType !== 3 || (nodeCollection[index].textContent.trim() === '' ||
(nodeCollection[index].textContent.length === 1 && nodeCollection[index].textContent.match(regEx))))) {
nodeCollection.splice(index, 1);
index--;
}
}
return nodeCollection.reverse();
};
NodeSelection.prototype.getInsertNodeCollection = function (range) {
return this.getInsertNodes(this.getNodeCollection(range));
};
NodeSelection.prototype.getInsertNodes = function (nodeCollection) {
nodeCollection = nodeCollection.reverse();
for (var index = 0; index < nodeCollection.length; index++) {
if ((nodeCollection[index].childNodes.length !== 0 &&
nodeCollection[index].nodeType !== 3) ||
(nodeCollection[index].nodeType === 3 &&
nodeCollection[index].textContent === '')) {
nodeCollection.splice(index, 1);
index--;
}
}
return nodeCollection.reverse();
};
NodeSelection.prototype.getNodeArray = function (node, isStart, root) {
var array = [];
((isStart) ? (this.startNodeName = []) : (this.endNodeName = []));
for (; node !== (root ? root : this.rootNode); null) {
if (ej2_base_1.isNullOrUndefined(node)) {
break;
}
(isStart) ? this.startNodeName.push(node.nodeName.toLowerCase()) : this.endNodeName.push(node.nodeName.toLowerCase());
array.push(this.getIndex(node));
node = node.parentNode;
}
return array;
};
NodeSelection.prototype.setRangePoint = function (range, isvalid, num, size) {
var node = this.rootNode;
var index = num.length;
var constant = size;
for (; index--; null) {
node = node && node.childNodes[num[index]];
}
if (node && constant >= 0 && node.nodeName !== 'html') {
Iif (node.nodeType === 3 && node.nodeValue.replace(/\u00a0/g, ' ') === ' ') {
constant = node.textContent.length;
}
range[isvalid ? 'setStart' : 'setEnd'](node, constant);
}
return range;
};
NodeSelection.prototype.restore = function () {
var range = this.range.cloneRange();
range = this.setRangePoint(range, true, this.startContainer, this.startOffset);
range = this.setRangePoint(range, false, this.endContainer, this.endOffset);
this.selectRange(this.rootNode, range);
return range;
};
NodeSelection.prototype.selectRange = function (docElement, range) {
this.setRange(docElement, range);
this.save(range, docElement);
};
NodeSelection.prototype.setRange = function (docElement, range) {
var selection = this.get(docElement);
selection.removeAllRanges();
selection.addRange(range);
};
NodeSelection.prototype.setSelectionText = function (docElement, startNode, endNode, startIndex, endIndex) {
var range = docElement.createRange();
range.setStart(startNode, startIndex);
range.setEnd(endNode, endIndex);
this.setRange(docElement, range);
};
NodeSelection.prototype.setSelectionContents = function (docElement, element) {
var range = docElement.createRange();
range.selectNode(element);
this.setRange(docElement, range);
};
NodeSelection.prototype.setSelectionNode = function (docElement, element) {
var range = docElement.createRange();
range.selectNodeContents(element);
this.setRange(docElement, range);
};
NodeSelection.prototype.getSelectedNodes = function (docElement) {
return this.getNodeCollection(this.getRange(docElement));
};
NodeSelection.prototype.Clear = function (docElement) {
this.get(docElement).removeAllRanges();
};
NodeSelection.prototype.insertParentNode = function (docElement, newNode, range) {
range.surroundContents(newNode);
this.selectRange(docElement, range);
};
NodeSelection.prototype.setCursorPoint = function (docElement, element, point) {
var range = docElement.createRange();
var selection = docElement.defaultView.getSelection();
range.setStart(element, point);
range.collapse(true);
selection.removeAllRanges();
selection.addRange(range);
};
NodeSelection.prototype.isTableOrImageStart = function (range) {
var customHandlerElements = ['TABLE'];
var startContainer = range.startContainer;
var startOffset = range.startOffset;
var isCursorAtStart = range.collapsed && (startContainer.nodeType === 1) &&
startContainer.isContentEditable && startContainer.childNodes[startOffset] &&
(customHandlerElements.indexOf(startContainer.childNodes[startOffset].nodeName) > -1);
if (isCursorAtStart) {
return { start: isCursorAtStart, startNodeName: startContainer.childNodes[startOffset].nodeName };
}
else {
return { start: false, startNodeName: '' };
}
};
NodeSelection.prototype.isTableOrImageEnd = function (range) {
var customHandlerElements = ['TABLE'];
var startContainer = range.startContainer;
var startOffset = range.startOffset;
var isCursorAtEnd = range.collapsed && (startContainer.nodeType === 1) &&
startContainer.isContentEditable && startContainer.childNodes[startOffset - 1] &&
(customHandlerElements.indexOf(startContainer.childNodes[startOffset - 1].nodeName) > -1);
if (isCursorAtEnd) {
return { end: isCursorAtEnd, endNodeName: startContainer.childNodes[startOffset - 1].nodeName };
}
else {
return { end: false, endNodeName: '' };
}
};
NodeSelection.prototype.processedTableImageCursor = function (range) {
var _a = this.isTableOrImageStart(range), start = _a.start, startNodeName = _a.startNodeName;
var _b = this.isTableOrImageEnd(range), end = _b.end, endNodeName = _b.endNodeName;
return { start: start, startName: startNodeName, end: end, endName: endNodeName };
};
return NodeSelection;
}());
exports.NodeSelection = NodeSelection;
});
|