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| define(["require", "exports", "./../../selection/index", "@syncfusion/ej2-base", "./insert-methods"], function (require, exports, index_1, ej2_base_1, insert_methods_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var NodeCutter = (function () {
function NodeCutter() {
this.enterAction = 'P';
this.position = -1;
this.nodeSelection = new index_1.NodeSelection();
}
NodeCutter.prototype.GetSpliceNode = function (range, node) {
node = this.SplitNode(range, node, true);
node = this.SplitNode(range, node, false);
return node;
};
NodeCutter.prototype.SplitNode = function (range, node, isCollapsed) {
if (node) {
var clone = range.cloneRange();
var parent_1 = node.parentNode;
var index = this.nodeSelection.getIndex(node);
clone.collapse(isCollapsed);
(isCollapsed) ? clone.setStartBefore(node) : clone.setEndAfter(node);
var fragment = clone.extractContents();
if (isCollapsed) {
node = parent_1.childNodes[index];
fragment = this.spliceEmptyNode(fragment, false);
if (fragment && fragment.childNodes.length > 0) {
var isEmpty = (fragment.childNodes.length === 1 && fragment.childNodes[0].nodeName !== 'IMG' && !(fragment.querySelectorAll('img').length > 0)
&& this.isRteElm(fragment) && fragment.textContent.trim() === '' && fragment.textContent !== ' ' && fragment.textContent.charCodeAt(0) !== 160) ? true : false;
if (!isEmpty) {
Eif (node) {
insert_methods_1.InsertMethods.AppendBefore(fragment, node);
}
else {
parent_1.appendChild(fragment);
var divNode = document.createElement('div');
divNode.innerHTML = '';
node = divNode.firstChild;
parent_1.appendChild(node);
}
}
}
}
else {
node = parent_1.childNodes.length > 1 ? parent_1.childNodes[index] :
parent_1.childNodes[0];
fragment = this.spliceEmptyNode(fragment, true);
if (fragment && fragment.childNodes.length > 0) {
var isEmpty = (fragment.childNodes.length === 1 && fragment.childNodes[0].nodeName !== 'IMG'
&& this.isRteElm(fragment) && fragment.textContent.trim() === '' && fragment.textContent !== ' ' && fragment.textContent.charCodeAt(0) !== 160) ? true : false;
if (!isEmpty) {
if (node) {
insert_methods_1.InsertMethods.AppendBefore(fragment, node, true);
}
else {
parent_1.appendChild(fragment);
var divNode = document.createElement('div');
divNode.innerHTML = '';
parent_1.insertBefore(divNode.firstChild, parent_1.firstChild);
node = parent_1.firstChild;
}
}
}
}
return node;
}
else {
return null;
}
};
NodeCutter.prototype.isRteElm = function (fragment) {
var result = true;
Eif (fragment.childNodes.length === 1 && fragment.childNodes[0].nodeName !== 'IMG') {
var firstChild = fragment.childNodes[0];
for (var i = 0; !ej2_base_1.isNullOrUndefined(firstChild.childNodes) && i < firstChild.childNodes.length; i++) {
if (firstChild.childNodes[i].nodeName === 'IMG' || (firstChild.childNodes[i].nodeName === 'SPAN' &&
(firstChild.childNodes[i].classList.contains('e-video-wrap') ||
firstChild.childNodes[i].classList.contains('e-embed-video-wrap') ||
firstChild.childNodes[i].classList.contains('e-audio-wrap')))) {
result = false;
}
}
}
else {
result = true;
}
return result;
};
NodeCutter.prototype.spliceEmptyNode = function (fragment, isStart) {
var len;
if (fragment.childNodes.length === 1 && fragment.childNodes[0].nodeName === '#text' &&
fragment.childNodes[0].textContent === '' || fragment.textContent === '') {
len = -1;
}
else {
len = fragment.childNodes.length - 1;
}
if (len > -1 && !isStart) {
this.spliceEmptyNode(fragment.childNodes[len], isStart);
}
else if (len > -1) {
this.spliceEmptyNode(fragment.childNodes[0], isStart);
}
else if (fragment.nodeType !== 3 && fragment.nodeType !== 11 && fragment.nodeName !== 'IMG' && !(fragment.querySelectorAll('img').length > 0) && !(fragment.classList.contains('e-video-wrap')) && !(fragment.classList.contains('e-audio-wrap'))) {
fragment.parentNode.removeChild(fragment);
}
return fragment;
};
NodeCutter.prototype.GetCursorStart = function (indexes, index, isStart) {
indexes = (isStart) ? indexes : indexes.reverse();
var position = indexes[0];
for (var num = 0; num < indexes.length && ((isStart) ? (indexes[num] < index) : (indexes[num] >= index)); num++) {
position = indexes[num];
}
return position;
};
NodeCutter.prototype.GetCursorRange = function (docElement, range, node) {
var cursorRange = docElement.createRange();
var indexes = [];
indexes.push(0);
var str = this.TrimLineBreak(node.data);
var index = str.indexOf(' ', 0);
while (index !== -1) {
if (indexes.indexOf(index) < 0) {
indexes.push(index);
}
Iif (new RegExp('\\s').test(str[index - 1]) && (indexes.indexOf(index - 1) < 0)) {
indexes.push(index - 1);
}
if (new RegExp('\\s').test(str[index + 1])) {
indexes.push(index + 1);
}
index = str.indexOf(' ', (index + 1));
}
indexes.push(str.length);
if ((indexes.indexOf(range.startOffset) >= 0)
|| ((indexes.indexOf(range.startOffset - 1) >= 0) && (range.startOffset !== 1
|| (range.startOffset === 1 && new RegExp('\\s').test(str[0])))
|| (((indexes[indexes.length - 1] - 1) === range.startOffset) && range.endOffset !== (str.length - 1) && !new RegExp('\\s').test(str[0])))) {
cursorRange = range;
this.position = 1;
}
else {
var startOffset = this.GetCursorStart(indexes, range.startOffset, true);
this.position = range.startOffset - startOffset;
if (startOffset !== 0 && str[startOffset] && str[startOffset] === ' ') {
startOffset = startOffset + 1;
}
cursorRange.setStart(range.startContainer, startOffset);
cursorRange.setEnd(range.startContainer, this.GetCursorStart(indexes, range.startOffset, false));
}
return cursorRange;
};
NodeCutter.prototype.GetCursorNode = function (docElement, range, node) {
return this.GetSpliceNode(this.GetCursorRange(docElement, range, node), node);
};
NodeCutter.prototype.TrimLineBreak = function (line) {
return line.replace(/(\r\n\t|\n|\r\t)/gm, ' ');
};
return NodeCutter;
}());
exports.NodeCutter = NodeCutter;
});
|