ngx-editor-custom
Version:
WYSIWYG Editor for Angular Applications
104 lines (103 loc) • 7.92 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* enable or disable toolbar based on configuration
*
* @param {?} value toolbar item
* @param {?} toolbar toolbar configuration object
* @return {?}
*/
export function canEnableToolbarOptions(value, toolbar) {
if (value) {
if (toolbar['length'] === 0) {
return true;
}
else {
/** @type {?} */
const found = toolbar.filter(array => {
return array.indexOf(value) !== -1;
});
return found.length ? true : false;
}
}
else {
return false;
}
}
/**
* set editor configuration
*
* @param {?} value configuration via [config] property
* @param {?} ngxEditorConfig default editor configuration
* @param {?} input direct configuration inputs via directives
* @return {?}
*/
export function getEditorConfiguration(value, ngxEditorConfig, input) {
for (const i in ngxEditorConfig) {
if (i) {
if (input[i] !== undefined) {
value[i] = input[i];
}
if (!value.hasOwnProperty(i)) {
value[i] = ngxEditorConfig[i];
}
}
}
return value;
}
/**
* return vertical if the element is the resizer property is set to basic
*
* @param {?} resizer type of resizer, either basic or stack
* @return {?}
*/
export function canResize(resizer) {
if (resizer === 'basic') {
return 'vertical';
}
return false;
}
/**
* save selection when the editor is focussed out
* @return {?}
*/
export function saveSelection() {
if (window.getSelection) {
/** @type {?} */
const sel = window.getSelection();
if (sel.getRangeAt && sel.rangeCount) {
return sel.getRangeAt(0);
}
}
else if (document.getSelection && document.createRange) {
return document.createRange();
}
return null;
}
/**
* restore selection when the editor is focussed in
*
* @param {?} range saved selection when the editor is focussed out
* @return {?}
*/
export function restoreSelection(range) {
if (range) {
if (window.getSelection) {
/** @type {?} */
const sel = window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
return true;
}
else if (document.getSelection && range.select) {
range.select();
return true;
}
}
else {
return false;
}
}
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