directives.js
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/**
* Created by Administrator on 2015/2/27.
*/
/**
* Binds a TinyMCE widget to <textarea> elements.
*
* //link image media
*/
angular.module('ui.tinymce', [])
.value('uiTinymceConfig', {
height: 500,
resize: false,
plugins: [
"advlist autolink lists charmap print preview anchor",
"searchreplace visualblocks code fullscreen",
"insertdatetime table contextmenu paste imagetools wordcount"
],
toolbar: "insertfile undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link image ",
})
.directive('uiTinymce', ['$rootScope', '$compile', '$timeout', '$window', '$sce', 'uiTinymceConfig', 'uiTinymceService',
function($rootScope, $compile, $timeout, $window, $sce, uiTinymceConfig, uiTinymceService) {
uiTinymceConfig = uiTinymceConfig || {};
if (uiTinymceConfig.baseUrl) {
tinymce.baseURL = uiTinymceConfig.baseUrl;
}
return {
require: ['ngModel', '^?form'],
priority: 599,
link: function(scope, element, attrs, ctrls) {
if (!$window.tinymce) {
return;
}
var ngModel = ctrls[0],
form = ctrls[1] || null;
var expression, options = {
debounce: true
}, tinyInstance,
updateView = function(editor) {
var content = editor.getContent({format: options.format}).trim();
content = $sce.trustAsHtml(content);
ngModel.$setViewValue(content);
if (!$rootScope.$$phase) {
scope.$digest();
}
};
function toggleDisable(disabled) {
if (disabled) {
ensureInstance();
if (tinyInstance) {
tinyInstance.getBody().setAttribute('contenteditable', false);
}
} else {
ensureInstance();
if (tinyInstance && !tinyInstance.settings.readonly && tinyInstance.getDoc()) {
tinyInstance.getBody().setAttribute('contenteditable', true);
}
}
}
// fetch a unique ID from the service
var uniqueId = uiTinymceService.getUniqueId();
attrs.$set('id', uniqueId);
expression = {};
angular.extend(expression, scope.$eval(attrs.uiTinymce));
//Debounce update and save action
var debouncedUpdate = (function(debouncedUpdateDelay) {
var debouncedUpdateTimer;
return function(ed) {
$timeout.cancel(debouncedUpdateTimer);
debouncedUpdateTimer = $timeout(function() {
return (function(ed) {
if (ed.isDirty()) {
ed.save();
updateView(ed);
}
})(ed);
}, debouncedUpdateDelay);
};
})(400);
var setupOptions = {
// Update model when calling setContent
// (such as from the source editor popup)
setup: function(ed) {
ed.on('init', function() {
ngModel.$render();
ngModel.$setPristine();
ngModel.$setUntouched();
if (form) {
form.$setPristine();
}
});
// Update model when:
// - a button has been clicked [ExecCommand]
// - the editor content has been modified [change]
// - the node has changed [NodeChange]
// - an object has been resized (table, image) [ObjectResized]
ed.on('ExecCommand change NodeChange ObjectResized', function() {
if (!options.debounce) {
ed.save();
updateView(ed);
return;
}
debouncedUpdate(ed);
});
ed.on('blur', function() {
element[0].blur();
ngModel.$setTouched();
if (!$rootScope.$$phase) {
scope.$digest();
}
});
ed.on('remove', function() {
element.remove();
});
if (uiTinymceConfig.setup) {
uiTinymceConfig.setup(ed, {
updateView: updateView
});
}
if (expression.setup) {
expression.setup(ed, {
updateView: updateView
});
}
},
format: expression.format || 'html',
selector: '#' + attrs.id
};
// extend options with initial uiTinymceConfig and
// options from directive attribute value
angular.extend(options, uiTinymceConfig, expression, setupOptions);
// Wrapped in $timeout due to $tinymce:refresh implementation, requires
// element to be present in DOM before instantiating editor when
// re-rendering directive
$timeout(function() {
if (options.baseURL){
tinymce.baseURL = options.baseURL;
}
var maybeInitPromise = tinymce.init(options);
if(maybeInitPromise && typeof maybeInitPromise.then === 'function') {
maybeInitPromise.then(function() {
toggleDisable(scope.$eval(attrs.ngDisabled));
});
} else {
toggleDisable(scope.$eval(attrs.ngDisabled));
}
});
ngModel.$formatters.unshift(function(modelValue) {
return modelValue ? $sce.trustAsHtml(modelValue) : '';
});
ngModel.$parsers.unshift(function(viewValue) {
return viewValue ? $sce.getTrustedHtml(viewValue) : '';
});
ngModel.$render = function() {
ensureInstance();
var viewValue = ngModel.$viewValue ?
$sce.getTrustedHtml(ngModel.$viewValue) : '';
// instance.getDoc() check is a guard against null value
// when destruction & recreation of instances happen
if (tinyInstance &&
tinyInstance.getDoc()
) {
tinyInstance.setContent(viewValue);
// Triggering change event due to TinyMCE not firing event &
// becoming out of sync for change callbacks
tinyInstance.fire('change');
}
};
attrs.$observe('disabled', toggleDisable);
// This block is because of TinyMCE not playing well with removal and
// recreation of instances, requiring instances to have different
// selectors in order to render new instances properly
var unbindEventListener = scope.$on('$tinymce:refresh', function(e, id) {
var eid = attrs.id;
if (angular.isUndefined(id) || id === eid) {
var parentElement = element.parent();
var clonedElement = element.clone();
clonedElement.removeAttr('id');
clonedElement.removeAttr('style');
clonedElement.removeAttr('aria-hidden');
tinymce.execCommand('mceRemoveEditor', false, eid);
parentElement.append($compile(clonedElement)(scope));
unbindEventListener();
}
});
scope.$on('$destroy', function() {
ensureInstance();
if (tinyInstance) {
tinyInstance.remove();
tinyInstance = null;
}
});
function ensureInstance() {
if (!tinyInstance) {
tinyInstance = tinymce.get(attrs.id);
}
}
}
};
}])
.service('uiTinymceService', [
/**
* A service is used to create unique ID's, this prevents duplicate ID's if there are multiple editors on screen.
*/
function() {
var UITinymceService = function() {
var ID_ATTR = 'ui-tinymce';
// uniqueId keeps track of the latest assigned ID
var uniqueId = 0;
// getUniqueId returns a unique ID
var getUniqueId = function() {
uniqueId ++;
return ID_ATTR + '-' + uniqueId;
};
// return the function as a public method of the service
return {
getUniqueId: getUniqueId
};
};
// return a new instance of the service
return new UITinymceService();
}
]);