Neues Initialrelease mit IonicMaterial
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Carsten Hilmer
372
www/lib/angular-material/modules/js/input/input.js
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372
www/lib/angular-material/modules/js/input/input.js
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/*!
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* Angular Material Design
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* https://github.com/angular/material
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* @license MIT
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* v0.10.0
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*/
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(function( window, angular, undefined ){
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"use strict";
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/**
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* @ngdoc module
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* @name material.components.input
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*/
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angular.module('material.components.input', [
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'material.core'
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])
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.directive('mdInputContainer', mdInputContainerDirective)
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.directive('label', labelDirective)
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.directive('input', inputTextareaDirective)
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.directive('textarea', inputTextareaDirective)
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.directive('mdMaxlength', mdMaxlengthDirective)
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.directive('placeholder', placeholderDirective);
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/**
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* @ngdoc directive
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* @name mdInputContainer
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* @module material.components.input
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*
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* @restrict E
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*
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* @description
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* `<md-input-container>` is the parent of any input or textarea element.
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*
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* Input and textarea elements will not behave properly unless the md-input-container
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* parent is provided.
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*
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* @param md-is-error {expression=} When the given expression evaluates to true, the input container will go into error state. Defaults to erroring if the input has been touched and is invalid.
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* @param md-no-float {boolean=} When present, placeholders will not be converted to floating labels
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*
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* @usage
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* <hljs lang="html">
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*
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* <md-input-container>
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* <label>Username</label>
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* <input type="text" ng-model="user.name">
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* </md-input-container>
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*
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* <md-input-container>
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* <label>Description</label>
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* <textarea ng-model="user.description"></textarea>
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* </md-input-container>
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*
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* </hljs>
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*/
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function mdInputContainerDirective($mdTheming, $parse) {
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ContainerCtrl.$inject = ["$scope", "$element", "$attrs"];
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return {
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restrict: 'E',
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link: postLink,
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controller: ContainerCtrl
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};
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function postLink(scope, element, attr) {
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$mdTheming(element);
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}
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function ContainerCtrl($scope, $element, $attrs) {
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var self = this;
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self.isErrorGetter = $attrs.mdIsError && $parse($attrs.mdIsError);
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self.delegateClick = function() {
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self.input.focus();
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};
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self.element = $element;
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self.setFocused = function(isFocused) {
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$element.toggleClass('md-input-focused', !!isFocused);
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};
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self.setHasValue = function(hasValue) {
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$element.toggleClass('md-input-has-value', !!hasValue);
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};
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self.setInvalid = function(isInvalid) {
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$element.toggleClass('md-input-invalid', !!isInvalid);
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};
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$scope.$watch(function() {
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return self.label && self.input;
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}, function(hasLabelAndInput) {
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if (hasLabelAndInput && !self.label.attr('for')) {
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self.label.attr('for', self.input.attr('id'));
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}
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});
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}
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}
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mdInputContainerDirective.$inject = ["$mdTheming", "$parse"];
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function labelDirective() {
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return {
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restrict: 'E',
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require: '^?mdInputContainer',
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link: function(scope, element, attr, containerCtrl) {
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if (!containerCtrl || attr.mdNoFloat) return;
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containerCtrl.label = element;
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scope.$on('$destroy', function() {
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containerCtrl.label = null;
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});
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}
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};
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}
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/**
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* @ngdoc directive
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* @name mdInput
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* @restrict E
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* @module material.components.input
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*
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* @description
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* Use the `<input>` or the `<textarea>` as a child of an `<md-input-container>`.
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*
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* @param {number=} md-maxlength The maximum number of characters allowed in this input. If this is specified, a character counter will be shown underneath the input.<br/><br/>
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* The purpose of **`md-maxlength`** is exactly to show the max length counter text. If you don't want the counter text and only need "plain" validation, you can use the "simple" `ng-maxlength` or maxlength attributes.
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* @param {string=} aria-label Aria-label is required when no label is present. A warning message will be logged in the console if not present.
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* @param {string=} placeholder An alternative approach to using aria-label when the label is not present. The placeholder text is copied to the aria-label attribute.
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*
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* @usage
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* <hljs lang="html">
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* <md-input-container>
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* <label>Color</label>
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* <input type="text" ng-model="color" required md-maxlength="10">
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* </md-input-container>
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* </hljs>
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* <h3>With Errors</h3>
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*
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* <hljs lang="html">
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* <form name="userForm">
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* <md-input-container>
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* <label>Last Name</label>
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* <input name="lastName" ng-model="lastName" required md-maxlength="10" minlength="4">
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* <div ng-messages="userForm.lastName.$error" ng-show="userForm.lastName.$dirty">
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* <div ng-message="required">This is required!</div>
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* <div ng-message="md-maxlength">That's too long!</div>
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* <div ng-message="minlength">That's too short!</div>
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* </div>
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* </md-input-container>
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* <md-input-container>
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* <label>Biography</label>
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* <textarea name="bio" ng-model="biography" required md-maxlength="150"></textarea>
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* <div ng-messages="userForm.bio.$error" ng-show="userForm.bio.$dirty">
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* <div ng-message="required">This is required!</div>
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* <div ng-message="md-maxlength">That's too long!</div>
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* </div>
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* </md-input-container>
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* <md-input-container>
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* <input aria-label='title' ng-model='title'>
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* </md-input-container>
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* <md-input-container>
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* <input placeholder='title' ng-model='title'>
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* </md-input-container>
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* </form>
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* </hljs>
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*
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* Requires [ngMessages](https://docs.angularjs.org/api/ngMessages).
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* Behaves like the [AngularJS input directive](https://docs.angularjs.org/api/ng/directive/input).
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*
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*/
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function inputTextareaDirective($mdUtil, $window, $mdAria) {
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return {
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restrict: 'E',
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require: ['^?mdInputContainer', '?ngModel'],
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link: postLink
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};
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function postLink(scope, element, attr, ctrls) {
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var containerCtrl = ctrls[0];
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var ngModelCtrl = ctrls[1] || $mdUtil.fakeNgModel();
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var isReadonly = angular.isDefined(attr.readonly);
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if ( !containerCtrl ) return;
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if (containerCtrl.input) {
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throw new Error("<md-input-container> can only have *one* <input> or <textarea> child element!");
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}
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containerCtrl.input = element;
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if(!containerCtrl.label) {
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$mdAria.expect(element, 'aria-label', element.attr('placeholder'));
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}
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element.addClass('md-input');
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if (!element.attr('id')) {
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element.attr('id', 'input_' + $mdUtil.nextUid());
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}
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if (element[0].tagName.toLowerCase() === 'textarea') {
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setupTextarea();
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}
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var isErrorGetter = containerCtrl.isErrorGetter || function() {
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return ngModelCtrl.$invalid && ngModelCtrl.$touched;
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};
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scope.$watch(isErrorGetter, containerCtrl.setInvalid);
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ngModelCtrl.$parsers.push(ngModelPipelineCheckValue);
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ngModelCtrl.$formatters.push(ngModelPipelineCheckValue);
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element.on('input', inputCheckValue);
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if (!isReadonly) {
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element
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.on('focus', function(ev) {
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containerCtrl.setFocused(true);
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})
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.on('blur', function(ev) {
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containerCtrl.setFocused(false);
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inputCheckValue();
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});
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}
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//ngModelCtrl.$setTouched();
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//if( ngModelCtrl.$invalid ) containerCtrl.setInvalid();
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scope.$on('$destroy', function() {
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containerCtrl.setFocused(false);
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containerCtrl.setHasValue(false);
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containerCtrl.input = null;
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});
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/**
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*
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*/
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function ngModelPipelineCheckValue(arg) {
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containerCtrl.setHasValue(!ngModelCtrl.$isEmpty(arg));
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return arg;
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}
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function inputCheckValue() {
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// An input's value counts if its length > 0,
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// or if the input's validity state says it has bad input (eg string in a number input)
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containerCtrl.setHasValue(element.val().length > 0 || (element[0].validity||{}).badInput);
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}
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function setupTextarea() {
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var node = element[0];
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var onChangeTextarea = $mdUtil.debounce(growTextarea, 1);
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function pipelineListener(value) {
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onChangeTextarea();
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return value;
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}
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if (ngModelCtrl) {
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ngModelCtrl.$formatters.push(pipelineListener);
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ngModelCtrl.$viewChangeListeners.push(pipelineListener);
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} else {
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onChangeTextarea();
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}
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element.on('keydown input', onChangeTextarea);
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element.on('scroll', onScroll);
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angular.element($window).on('resize', onChangeTextarea);
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scope.$on('$destroy', function() {
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angular.element($window).off('resize', onChangeTextarea);
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});
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function growTextarea() {
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node.style.height = "auto";
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node.scrollTop = 0;
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var height = getHeight();
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if (height) node.style.height = height + 'px';
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}
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function getHeight () {
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var line = node.scrollHeight - node.offsetHeight;
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return node.offsetHeight + (line > 0 ? line : 0);
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}
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function onScroll(e) {
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node.scrollTop = 0;
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// for smooth new line adding
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var line = node.scrollHeight - node.offsetHeight;
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var height = node.offsetHeight + line;
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node.style.height = height + 'px';
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}
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}
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}
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}
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inputTextareaDirective.$inject = ["$mdUtil", "$window", "$mdAria"];
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function mdMaxlengthDirective($animate) {
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return {
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restrict: 'A',
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require: ['ngModel', '^mdInputContainer'],
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link: postLink
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};
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function postLink(scope, element, attr, ctrls) {
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var maxlength;
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var ngModelCtrl = ctrls[0];
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var containerCtrl = ctrls[1];
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var charCountEl = angular.element('<div class="md-char-counter">');
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// Stop model from trimming. This makes it so whitespace
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// over the maxlength still counts as invalid.
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attr.$set('ngTrim', 'false');
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containerCtrl.element.append(charCountEl);
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ngModelCtrl.$formatters.push(renderCharCount);
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ngModelCtrl.$viewChangeListeners.push(renderCharCount);
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element.on('input keydown', function() {
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renderCharCount(); //make sure it's called with no args
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});
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scope.$watch(attr.mdMaxlength, function(value) {
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maxlength = value;
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if (angular.isNumber(value) && value > 0) {
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if (!charCountEl.parent().length) {
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$animate.enter(charCountEl, containerCtrl.element,
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angular.element(containerCtrl.element[0].lastElementChild));
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}
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renderCharCount();
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} else {
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$animate.leave(charCountEl);
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}
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});
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ngModelCtrl.$validators['md-maxlength'] = function(modelValue, viewValue) {
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if (!angular.isNumber(maxlength) || maxlength < 0) {
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return true;
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}
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return ( modelValue || element.val() || viewValue || '' ).length <= maxlength;
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};
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function renderCharCount(value) {
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charCountEl.text( ( element.val() || value || '' ).length + '/' + maxlength );
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return value;
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}
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}
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}
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mdMaxlengthDirective.$inject = ["$animate"];
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function placeholderDirective($log) {
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var blackListElements = ['MD-SELECT'];
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return {
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restrict: 'A',
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require: '^^?mdInputContainer',
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priority: 200,
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link: postLink
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};
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function postLink(scope, element, attr, inputContainer) {
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if (!inputContainer) return;
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if (blackListElements.indexOf(element[0].nodeName) != -1) return;
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if (angular.isDefined(inputContainer.element.attr('md-no-float'))) return;
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var placeholderText = attr.placeholder;
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element.removeAttr('placeholder');
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if ( inputContainer.element.find('label').length == 0 ) {
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var placeholder = '<label ng-click="delegateClick()">' + placeholderText + '</label>';
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inputContainer.element.addClass('md-icon-float');
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inputContainer.element.prepend(placeholder);
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} else {
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$log.warn("The placeholder='" + placeholderText + "' will be ignored since this md-input-container has a child label element.");
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}
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}
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}
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placeholderDirective.$inject = ["$log"];
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})(window, window.angular);
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