mirror of
https://github.com/jellyfin/jellyfin-web.git
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424 lines
11 KiB
HTML
424 lines
11 KiB
HTML
<!--
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@license
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Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<link rel="import" href="../polymer/polymer.html">
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<link rel="import" href="../iron-behaviors/iron-control-state.html">
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<script>
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/**
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* Use `Polymer.PaperInputBehavior` to implement inputs with `<paper-input-container>`. This
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* behavior is implemented by `<paper-input>`. It exposes a number of properties from
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* `<paper-input-container>` and `<input is="iron-input">` and they should be bound in your
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* template.
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*
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* The input element can be accessed by the `inputElement` property if you need to access
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* properties or methods that are not exposed.
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* @polymerBehavior Polymer.PaperInputBehavior
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*/
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Polymer.PaperInputBehaviorImpl = {
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properties: {
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/**
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* Fired when the input changes due to user interaction.
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*
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* @event change
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*/
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/**
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* The label for this input. Bind this to `<paper-input-container>`'s `label` property.
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*/
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label: {
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type: String
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},
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/**
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* The value for this input. Bind this to the `<input is="iron-input">`'s `bindValue`
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* property, or the value property of your input that is `notify:true`.
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*/
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value: {
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notify: true,
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type: String
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},
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/**
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* Set to true to disable this input. Bind this to both the `<paper-input-container>`'s
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* and the input's `disabled` property.
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*/
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disabled: {
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type: Boolean,
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value: false
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},
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/**
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* Returns true if the value is invalid. Bind this to both the `<paper-input-container>`'s
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* and the input's `invalid` property.
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*/
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invalid: {
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type: Boolean,
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value: false,
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notify: true
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},
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/**
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* Set to true to prevent the user from entering invalid input. Bind this to the
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* `<input is="iron-input">`'s `preventInvalidInput` property.
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*/
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preventInvalidInput: {
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type: Boolean
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},
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/**
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* Set this to specify the pattern allowed by `preventInvalidInput`. Bind this to the
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* `<input is="iron-input">`'s `allowedPattern` property.
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*/
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allowedPattern: {
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type: String
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},
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/**
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* The type of the input. The supported types are `text`, `number` and `password`. Bind this
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* to the `<input is="iron-input">`'s `type` property.
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*/
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type: {
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type: String
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},
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/**
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* The datalist of the input (if any). This should match the id of an existing <datalist>. Bind this
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* to the `<input is="iron-input">`'s `list` property.
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*/
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list: {
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type: String
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},
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/**
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* A pattern to validate the `input` with. Bind this to the `<input is="iron-input">`'s
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* `pattern` property.
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*/
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pattern: {
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type: String
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},
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/**
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* Set to true to mark the input as required. Bind this to the `<input is="iron-input">`'s
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* `required` property.
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*/
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required: {
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type: Boolean,
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value: false
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},
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/**
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* The error message to display when the input is invalid. Bind this to the
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* `<paper-input-error>`'s content, if using.
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*/
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errorMessage: {
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type: String
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},
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/**
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* Set to true to show a character counter.
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*/
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charCounter: {
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type: Boolean,
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value: false
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},
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/**
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* Set to true to disable the floating label. Bind this to the `<paper-input-container>`'s
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* `noLabelFloat` property.
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*/
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noLabelFloat: {
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type: Boolean,
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value: false
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},
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/**
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* Set to true to always float the label. Bind this to the `<paper-input-container>`'s
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* `alwaysFloatLabel` property.
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*/
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alwaysFloatLabel: {
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type: Boolean,
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value: false
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},
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/**
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* Set to true to auto-validate the input value. Bind this to the `<paper-input-container>`'s
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* `autoValidate` property.
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*/
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autoValidate: {
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type: Boolean,
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value: false
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},
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/**
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* Name of the validator to use. Bind this to the `<input is="iron-input">`'s `validator`
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* property.
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*/
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validator: {
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type: String
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},
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// HTMLInputElement attributes for binding if needed
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/**
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* Bind this to the `<input is="iron-input">`'s `autocomplete` property.
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*/
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autocomplete: {
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type: String,
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value: 'off'
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},
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/**
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* Bind this to the `<input is="iron-input">`'s `autofocus` property.
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*/
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autofocus: {
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type: Boolean
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},
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/**
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* Bind this to the `<input is="iron-input">`'s `inputmode` property.
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*/
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inputmode: {
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type: String
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},
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/**
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* Bind this to the `<input is="iron-input">`'s `minlength` property.
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*/
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minlength: {
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type: Number
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},
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/**
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* The maximum length of the input value. Bind this to the `<input is="iron-input">`'s
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* `maxlength` property.
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*/
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maxlength: {
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type: Number
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},
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/**
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* The minimum (numeric or date-time) input value.
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* Bind this to the `<input is="iron-input">`'s `min` property.
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*/
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min: {
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type: String
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},
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/**
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* The maximum (numeric or date-time) input value.
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* Can be a String (e.g. `"2000-1-1"`) or a Number (e.g. `2`).
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* Bind this to the `<input is="iron-input">`'s `max` property.
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*/
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max: {
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type: String
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},
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/**
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* Limits the numeric or date-time increments.
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* Bind this to the `<input is="iron-input">`'s `step` property.
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*/
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step: {
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type: String
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},
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/**
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* Bind this to the `<input is="iron-input">`'s `name` property.
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*/
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name: {
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type: String
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},
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/**
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* A placeholder string in addition to the label. If this is set, the label will always float.
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*/
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placeholder: {
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type: String,
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// need to set a default so _computeAlwaysFloatLabel is run
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value: ''
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},
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/**
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* Bind this to the `<input is="iron-input">`'s `readonly` property.
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*/
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readonly: {
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type: Boolean,
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value: false
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},
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/**
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* Bind this to the `<input is="iron-input">`'s `size` property.
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*/
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size: {
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type: Number
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},
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// Nonstandard attributes for binding if needed
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/**
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* Bind this to the `<input is="iron-input">`'s `autocapitalize` property.
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*/
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autocapitalize: {
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type: String,
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value: 'none'
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},
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/**
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* Bind this to the `<input is="iron-input">`'s `autocorrect` property.
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*/
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autocorrect: {
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type: String,
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value: 'off'
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},
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_ariaDescribedBy: {
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type: String,
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value: ''
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}
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},
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listeners: {
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'addon-attached': '_onAddonAttached'
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},
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observers: [
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'_focusedControlStateChanged(focused)'
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],
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/**
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* Returns a reference to the input element.
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*/
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get inputElement() {
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return this.$.input;
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},
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attached: function() {
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this._updateAriaLabelledBy();
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},
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_appendStringWithSpace: function(str, more) {
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if (str) {
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str = str + ' ' + more;
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} else {
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str = more;
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}
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return str;
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},
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_onAddonAttached: function(event) {
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var target = event.path ? event.path[0] : event.target;
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if (target.id) {
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this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedBy, target.id);
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} else {
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var id = 'paper-input-add-on-' + Math.floor((Math.random() * 100000));
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target.id = id;
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this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedBy, id);
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}
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},
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/**
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* Validates the input element and sets an error style if needed.
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*
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* @return {boolean}
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*/
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validate: function() {
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return this.inputElement.validate();
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},
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/**
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* If `autoValidate` is true, then validates the element.
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*/
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_handleAutoValidate: function() {
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if (this.autoValidate)
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this.validate();
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},
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/**
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* Restores the cursor to its original position after updating the value.
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* @param {string} newValue The value that should be saved.
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*/
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updateValueAndPreserveCaret: function(newValue) {
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// Not all elements might have selection, and even if they have the
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// right properties, accessing them might throw an exception (like for
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// <input type=number>)
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try {
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var start = this.inputElement.selectionStart;
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this.value = newValue;
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// The cursor automatically jumps to the end after re-setting the value,
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// so restore it to its original position.
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this.inputElement.selectionStart = start;
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this.inputElement.selectionEnd = start;
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} catch (e) {
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// Just set the value and give up on the caret.
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this.value = newValue;
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}
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},
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_computeAlwaysFloatLabel: function(alwaysFloatLabel, placeholder) {
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return placeholder || alwaysFloatLabel;
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},
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_focusedControlStateChanged: function(focused) {
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// IronControlState stops the focus and blur events in order to redispatch them on the host
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// element, but paper-input-container listens to those events. Since there are more
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// pending work on focus/blur in IronControlState, I'm putting in this hack to get the
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// input focus state working for now.
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if (!this.$.container) {
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this.$.container = Polymer.dom(this.root).querySelector('paper-input-container');
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if (!this.$.container) {
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return;
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}
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}
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if (focused) {
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this.$.container._onFocus();
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} else {
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this.$.container._onBlur();
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}
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},
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_updateAriaLabelledBy: function() {
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var label = Polymer.dom(this.root).querySelector('label');
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if (!label) {
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this._ariaLabelledBy = '';
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return;
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}
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var labelledBy;
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if (label.id) {
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labelledBy = label.id;
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} else {
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labelledBy = 'paper-input-label-' + new Date().getUTCMilliseconds();
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label.id = labelledBy;
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}
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this._ariaLabelledBy = labelledBy;
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},
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_onChange:function(event) {
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// In the Shadow DOM, the `change` event is not leaked into the
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// ancestor tree, so we must do this manually.
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// See https://w3c.github.io/webcomponents/spec/shadow/#events-that-are-not-leaked-into-ancestor-trees.
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if (this.shadowRoot) {
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this.fire(event.type, {sourceEvent: event}, {
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node: this,
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bubbles: event.bubbles,
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cancelable: event.cancelable
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});
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}
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}
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};
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/** @polymerBehavior */
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Polymer.PaperInputBehavior = [Polymer.IronControlState, Polymer.PaperInputBehaviorImpl];
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</script>
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