@syncfusion/ej2-richtexteditor
Version:
Essential JS 2 RichTextEditor component
146 lines (142 loc) • 5.5 kB
JavaScript
import { detach, isNullOrUndefined } from '@syncfusion/ej2-base';
import * as events from '../base/constant';
import { RenderType } from '../base/enum';
import { CLS_COUNT, CLS_WARNING, CLS_ERROR } from '../base/classes';
/**
* `Count` module is used to handle Count actions.
*/
var Count = /** @class */ (function () {
function Count(parent, serviceLocator) {
this.parent = parent;
this.locator = serviceLocator;
this.renderFactory = this.locator.getService('rendererFactory');
this.addEventListener();
this.isDestroyed = false;
}
Count.prototype.initializeInstance = function () {
this.contentRenderer = this.renderFactory.getRenderer(RenderType.Content);
this.editPanel = this.contentRenderer.getEditPanel();
this.addEventListener();
};
/**
* renderCount method
*
* @returns {void}
* @hidden
*/
Count.prototype.renderCount = function () {
this.initializeInstance();
this.element = this.parent.createElement('span', { className: CLS_COUNT });
this.parent.rootContainer.appendChild(this.element);
this.parent.rootContainer.classList.add('e-count-enabled');
if (this.parent.iframeSettings.enable) {
this.parent.inputElement.classList.add('e-count-enabled');
}
this.appendCount();
if (this.parent.maxLength !== -1) {
this.charCountBackground(this.htmlLength);
}
};
Count.prototype.appendCount = function () {
var htmlText = this.parent.editorMode === 'Markdown' ? this.editPanel.value
: (this.parent.getText().replace(/(\r\n|\n|\r|\t)/gm, ''));
if (this.parent.editorMode !== 'Markdown' && htmlText.indexOf('\u200B') !== -1) {
this.htmlLength = htmlText.replace(/\u200B/g, '').length;
}
else {
this.htmlLength = htmlText.length;
}
var string = this.parent.maxLength === -1 ? this.htmlLength : this.htmlLength + ' / ' + this.parent.maxLength;
this.element.innerHTML = string;
};
Count.prototype.charCountBackground = function (htmlLength) {
var percentage = (htmlLength / this.parent.maxLength) * 100;
if (percentage < 85) {
this.element.classList.remove(CLS_WARNING);
this.element.classList.remove(CLS_ERROR);
}
else if (percentage > 85 && percentage <= 90) {
this.element.classList.remove(CLS_ERROR);
this.element.classList.add(CLS_WARNING);
}
else if (percentage > 90) {
this.element.classList.remove(CLS_WARNING);
this.element.classList.add(CLS_ERROR);
}
};
/**
* @returns {void}
* @hidden
*/
Count.prototype.refresh = function () {
if (!isNullOrUndefined(this.editPanel)) {
this.appendCount();
if (this.parent.maxLength !== -1) {
this.charCountBackground(this.htmlLength);
}
}
};
/**
* Destroys the Count.
*
* @function destroy
* @returns {void}
* @hidden
*/
Count.prototype.destroy = function () {
if (this.isDestroyed) {
return;
}
if (this.parent && this.parent.rootContainer && this.parent.rootContainer.classList.contains('e-count-enabled')) {
this.parent.rootContainer.classList.remove('e-count-enabled');
}
if (this.parent.iframeSettings.enable && !isNullOrUndefined(this.parent.inputElement)) {
this.parent.inputElement.classList.remove('e-count-enabled');
}
if (this.element && !isNullOrUndefined(this.parent.element.querySelector('.' + CLS_COUNT))) {
detach(this.element);
}
this.removeEventListener();
if (this.editPanel) {
this.editPanel = null;
}
if (this.element) {
detach(this.element);
this.element = null;
}
this.isDestroyed = true;
};
Count.prototype.toggle = function (e) {
this.element.style.display = (e.member === 'viewSource') ? 'none' : 'block';
};
Count.prototype.addEventListener = function () {
this.parent.on(events.initialEnd, this.renderCount, this);
this.parent.on(events.keyUp, this.refresh, this);
this.parent.on(events.count, this.refresh, this);
this.parent.on(events.refreshBegin, this.refresh, this);
this.parent.on(events.mouseDown, this.refresh, this);
this.parent.on(events.destroy, this.destroy, this);
this.parent.on(events.sourceCode, this.toggle, this);
this.parent.on(events.updateSource, this.toggle, this);
};
Count.prototype.removeEventListener = function () {
this.parent.off(events.initialEnd, this.renderCount);
this.parent.off(events.keyUp, this.refresh);
this.parent.off(events.refreshBegin, this.refresh);
this.parent.off(events.count, this.refresh);
this.parent.off(events.mouseDown, this.refresh);
this.parent.off(events.destroy, this.destroy);
this.parent.off(events.sourceCode, this.toggle);
this.parent.off(events.updateSource, this.toggle);
};
/**
* For internal use only - Get the module name.
*
* @returns {string} - returns the string value
*/
Count.prototype.getModuleName = function () {
return 'count';
};
return Count;
}());
export { Count };