Project import generated by Copybara.
GitOrigin-RevId: 63746295f1a5ab5a619056791995793d65529e62
diff --git a/node_modules/material-design-lite/src/textfield/textfield.js b/node_modules/material-design-lite/src/textfield/textfield.js
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+/**
+ * @license
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+(function() {
+ 'use strict';
+
+ /**
+ * Class constructor for Textfield MDL component.
+ * Implements MDL component design pattern defined at:
+ * https://github.com/jasonmayes/mdl-component-design-pattern
+ *
+ * @constructor
+ * @param {HTMLElement} element The element that will be upgraded.
+ */
+ var MaterialTextfield = function MaterialTextfield(element) {
+ this.element_ = element;
+ this.maxRows = this.Constant_.NO_MAX_ROWS;
+ // Initialize instance.
+ this.init();
+ };
+ window['MaterialTextfield'] = MaterialTextfield;
+
+ /**
+ * Store constants in one place so they can be updated easily.
+ *
+ * @enum {string | number}
+ * @private
+ */
+ MaterialTextfield.prototype.Constant_ = {
+ NO_MAX_ROWS: -1,
+ MAX_ROWS_ATTRIBUTE: 'maxrows'
+ };
+
+ /**
+ * Store strings for class names defined by this component that are used in
+ * JavaScript. This allows us to simply change it in one place should we
+ * decide to modify at a later date.
+ *
+ * @enum {string}
+ * @private
+ */
+ MaterialTextfield.prototype.CssClasses_ = {
+ LABEL: 'mdl-textfield__label',
+ INPUT: 'mdl-textfield__input',
+ IS_DIRTY: 'is-dirty',
+ IS_FOCUSED: 'is-focused',
+ IS_DISABLED: 'is-disabled',
+ IS_INVALID: 'is-invalid',
+ IS_UPGRADED: 'is-upgraded',
+ HAS_PLACEHOLDER: 'has-placeholder'
+ };
+
+ /**
+ * Handle input being entered.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialTextfield.prototype.onKeyDown_ = function(event) {
+ var currentRowCount = event.target.value.split('\n').length;
+ if (event.keyCode === 13) {
+ if (currentRowCount >= this.maxRows) {
+ event.preventDefault();
+ }
+ }
+ };
+
+ /**
+ * Handle focus.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialTextfield.prototype.onFocus_ = function(event) {
+ this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
+ };
+
+ /**
+ * Handle lost focus.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialTextfield.prototype.onBlur_ = function(event) {
+ this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
+ };
+
+ /**
+ * Handle reset event from out side.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialTextfield.prototype.onReset_ = function(event) {
+ this.updateClasses_();
+ };
+
+ /**
+ * Handle class updates.
+ *
+ * @private
+ */
+ MaterialTextfield.prototype.updateClasses_ = function() {
+ this.checkDisabled();
+ this.checkValidity();
+ this.checkDirty();
+ this.checkFocus();
+ };
+
+ // Public methods.
+
+ /**
+ * Check the disabled state and update field accordingly.
+ *
+ * @public
+ */
+ MaterialTextfield.prototype.checkDisabled = function() {
+ if (this.input_.disabled) {
+ this.element_.classList.add(this.CssClasses_.IS_DISABLED);
+ } else {
+ this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
+ }
+ };
+ MaterialTextfield.prototype['checkDisabled'] =
+ MaterialTextfield.prototype.checkDisabled;
+
+ /**
+ * Check the focus state and update field accordingly.
+ *
+ * @public
+ */
+ MaterialTextfield.prototype.checkFocus = function() {
+ if (Boolean(this.element_.querySelector(':focus'))) {
+ this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
+ } else {
+ this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
+ }
+ };
+ MaterialTextfield.prototype['checkFocus'] =
+ MaterialTextfield.prototype.checkFocus;
+
+ /**
+ * Check the validity state and update field accordingly.
+ *
+ * @public
+ */
+ MaterialTextfield.prototype.checkValidity = function() {
+ if (this.input_.validity) {
+ if (this.input_.validity.valid) {
+ this.element_.classList.remove(this.CssClasses_.IS_INVALID);
+ } else {
+ this.element_.classList.add(this.CssClasses_.IS_INVALID);
+ }
+ }
+ };
+ MaterialTextfield.prototype['checkValidity'] =
+ MaterialTextfield.prototype.checkValidity;
+
+ /**
+ * Check the dirty state and update field accordingly.
+ *
+ * @public
+ */
+ MaterialTextfield.prototype.checkDirty = function() {
+ if (this.input_.value && this.input_.value.length > 0) {
+ this.element_.classList.add(this.CssClasses_.IS_DIRTY);
+ } else {
+ this.element_.classList.remove(this.CssClasses_.IS_DIRTY);
+ }
+ };
+ MaterialTextfield.prototype['checkDirty'] =
+ MaterialTextfield.prototype.checkDirty;
+
+ /**
+ * Disable text field.
+ *
+ * @public
+ */
+ MaterialTextfield.prototype.disable = function() {
+ this.input_.disabled = true;
+ this.updateClasses_();
+ };
+ MaterialTextfield.prototype['disable'] = MaterialTextfield.prototype.disable;
+
+ /**
+ * Enable text field.
+ *
+ * @public
+ */
+ MaterialTextfield.prototype.enable = function() {
+ this.input_.disabled = false;
+ this.updateClasses_();
+ };
+ MaterialTextfield.prototype['enable'] = MaterialTextfield.prototype.enable;
+
+ /**
+ * Update text field value.
+ *
+ * @param {string} value The value to which to set the control (optional).
+ * @public
+ */
+ MaterialTextfield.prototype.change = function(value) {
+
+ this.input_.value = value || '';
+ this.updateClasses_();
+ };
+ MaterialTextfield.prototype['change'] = MaterialTextfield.prototype.change;
+
+ /**
+ * Initialize element.
+ */
+ MaterialTextfield.prototype.init = function() {
+
+ if (this.element_) {
+ this.label_ = this.element_.querySelector('.' + this.CssClasses_.LABEL);
+ this.input_ = this.element_.querySelector('.' + this.CssClasses_.INPUT);
+
+ if (this.input_) {
+ if (this.input_.hasAttribute(
+ /** @type {string} */ (this.Constant_.MAX_ROWS_ATTRIBUTE))) {
+ this.maxRows = parseInt(this.input_.getAttribute(
+ /** @type {string} */ (this.Constant_.MAX_ROWS_ATTRIBUTE)), 10);
+ if (isNaN(this.maxRows)) {
+ this.maxRows = this.Constant_.NO_MAX_ROWS;
+ }
+ }
+
+ if (this.input_.hasAttribute('placeholder')) {
+ this.element_.classList.add(this.CssClasses_.HAS_PLACEHOLDER);
+ }
+
+ this.boundUpdateClassesHandler = this.updateClasses_.bind(this);
+ this.boundFocusHandler = this.onFocus_.bind(this);
+ this.boundBlurHandler = this.onBlur_.bind(this);
+ this.boundResetHandler = this.onReset_.bind(this);
+ this.input_.addEventListener('input', this.boundUpdateClassesHandler);
+ this.input_.addEventListener('focus', this.boundFocusHandler);
+ this.input_.addEventListener('blur', this.boundBlurHandler);
+ this.input_.addEventListener('reset', this.boundResetHandler);
+
+ if (this.maxRows !== this.Constant_.NO_MAX_ROWS) {
+ // TODO: This should handle pasting multi line text.
+ // Currently doesn't.
+ this.boundKeyDownHandler = this.onKeyDown_.bind(this);
+ this.input_.addEventListener('keydown', this.boundKeyDownHandler);
+ }
+ var invalid = this.element_.classList
+ .contains(this.CssClasses_.IS_INVALID);
+ this.updateClasses_();
+ this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
+ if (invalid) {
+ this.element_.classList.add(this.CssClasses_.IS_INVALID);
+ }
+ if (this.input_.hasAttribute('autofocus')) {
+ this.element_.focus();
+ this.checkFocus();
+ }
+ }
+ }
+ };
+
+ // The component registers itself. It can assume componentHandler is available
+ // in the global scope.
+ componentHandler.register({
+ constructor: MaterialTextfield,
+ classAsString: 'MaterialTextfield',
+ cssClass: 'mdl-js-textfield',
+ widget: true
+ });
+})();