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| 1 | |
| 2 | |
| 3 /** | |
| 4 * Use `Polymer.PaperInputBehavior` to implement inputs with `<paper-input-con
tainer>`. This | |
| 5 * behavior is implemented by `<paper-input>`. It exposes a number of properti
es from | |
| 6 * `<paper-input-container>` and `<input is="iron-input">` and they should be
bound in your | |
| 7 * template. | |
| 8 * | |
| 9 * The input element can be accessed by the `inputElement` property if you nee
d to access | |
| 10 * properties or methods that are not exposed. | |
| 11 * @polymerBehavior | |
| 12 */ | |
| 13 Polymer.PaperInputBehavior = { | |
| 14 | |
| 15 properties: { | |
| 16 | |
| 17 /** | |
| 18 * The label for this input. Bind this to `<paper-input-container>`'s `lab
el` property. | |
| 19 */ | |
| 20 label: { | |
| 21 type: String | |
| 22 }, | |
| 23 | |
| 24 /** | |
| 25 * The value for this input. Bind this to the `<input is="iron-input">`'s
`bindValue` | |
| 26 * property, or the value property of your input that is `notify:true`. | |
| 27 */ | |
| 28 value: { | |
| 29 notify: true, | |
| 30 type: String | |
| 31 }, | |
| 32 | |
| 33 /** | |
| 34 * Set to true to disable this input. Bind this to both the `<paper-input-
container>`'s | |
| 35 * and the input's `disabled` property. | |
| 36 */ | |
| 37 disabled: { | |
| 38 type: Boolean, | |
| 39 value: false | |
| 40 }, | |
| 41 | |
| 42 /** | |
| 43 * Returns true if the value is invalid. Bind this to both the `<paper-inp
ut-container>`'s | |
| 44 * and the input's `invalid` property. | |
| 45 */ | |
| 46 invalid: { | |
| 47 type: Boolean, | |
| 48 value: false | |
| 49 }, | |
| 50 | |
| 51 /** | |
| 52 * Set to true to prevent the user from entering invalid input. Bind this
to the | |
| 53 * `<input is="iron-input">`'s `preventInvalidInput` property. | |
| 54 */ | |
| 55 preventInvalidInput: { | |
| 56 type: Boolean | |
| 57 }, | |
| 58 | |
| 59 /** | |
| 60 * Set this to specify the pattern allowed by `preventInvalidInput`. Bind
this to the | |
| 61 * `<input is="iron-input">`'s `allowedPattern` property. | |
| 62 */ | |
| 63 allowedPattern: { | |
| 64 type: String | |
| 65 }, | |
| 66 | |
| 67 /** | |
| 68 * The type of the input. The supported types are `text`, `number` and `pa
ssword`. Bind this | |
| 69 * to the `<input is="iron-input">`'s `type` property. | |
| 70 */ | |
| 71 type: { | |
| 72 type: String | |
| 73 }, | |
| 74 | |
| 75 /** | |
| 76 * A pattern to validate the `input` with. Bind this to the `<input is="ir
on-input">`'s | |
| 77 * `pattern` property. | |
| 78 */ | |
| 79 pattern: { | |
| 80 type: String | |
| 81 }, | |
| 82 | |
| 83 /** | |
| 84 * Set to true to mark the input as required. Bind this to the `<input is=
"iron-input">`'s | |
| 85 * `required` property. | |
| 86 */ | |
| 87 required: { | |
| 88 type: Boolean, | |
| 89 value: false | |
| 90 }, | |
| 91 | |
| 92 /** | |
| 93 * The maximum length of the input value. Bind this to the `<input is="iro
n-input">`'s | |
| 94 * `maxlength` property. | |
| 95 */ | |
| 96 maxlength: { | |
| 97 type: Number | |
| 98 }, | |
| 99 | |
| 100 /** | |
| 101 * The error message to display when the input is invalid. Bind this to th
e | |
| 102 * `<paper-input-error>`'s content, if using. | |
| 103 */ | |
| 104 errorMessage: { | |
| 105 type: String | |
| 106 }, | |
| 107 | |
| 108 /** | |
| 109 * Set to true to show a character counter. | |
| 110 */ | |
| 111 charCounter: { | |
| 112 type: Boolean, | |
| 113 value: false | |
| 114 }, | |
| 115 | |
| 116 /** | |
| 117 * Set to true to disable the floating label. Bind this to the `<paper-inp
ut-container>`'s | |
| 118 * `noLabelFloat` property. | |
| 119 */ | |
| 120 noLabelFloat: { | |
| 121 type: Boolean, | |
| 122 value: false | |
| 123 }, | |
| 124 | |
| 125 /** | |
| 126 * Set to true to always float the label. Bind this to the `<paper-input-c
ontainer>`'s | |
| 127 * `alwaysFloatLabel` property. | |
| 128 */ | |
| 129 alwaysFloatLabel: { | |
| 130 type: Boolean, | |
| 131 value: false | |
| 132 }, | |
| 133 | |
| 134 /** | |
| 135 * Set to true to auto-validate the input value. Bind this to the `<paper-
input-container>`'s | |
| 136 * `autoValidate` property. | |
| 137 */ | |
| 138 autoValidate: { | |
| 139 type: Boolean, | |
| 140 value: false | |
| 141 }, | |
| 142 | |
| 143 /** | |
| 144 * Name of the validator to use. Bind this to the `<input is="iron-input">
`'s `validator` | |
| 145 * property. | |
| 146 */ | |
| 147 validator: { | |
| 148 type: String | |
| 149 }, | |
| 150 | |
| 151 // HTMLInputElement attributes for binding if needed | |
| 152 | |
| 153 /** | |
| 154 * Bind this to the `<input is="iron-input">`'s `autocomplete` property. | |
| 155 */ | |
| 156 autocomplete: { | |
| 157 type: String, | |
| 158 value: 'off' | |
| 159 }, | |
| 160 | |
| 161 /** | |
| 162 * Bind this to the `<input is="iron-input">`'s `autofocus` property. | |
| 163 */ | |
| 164 autofocus: { | |
| 165 type: Boolean | |
| 166 }, | |
| 167 | |
| 168 /** | |
| 169 * Bind this to the `<input is="iron-input">`'s `inputmode` property. | |
| 170 */ | |
| 171 inputmode: { | |
| 172 type: String | |
| 173 }, | |
| 174 | |
| 175 /** | |
| 176 * Bind this to the `<input is="iron-input">`'s `minlength` property. | |
| 177 */ | |
| 178 minlength: { | |
| 179 type: Number | |
| 180 }, | |
| 181 | |
| 182 /** | |
| 183 * Bind this to the `<input is="iron-input">`'s `name` property. | |
| 184 */ | |
| 185 name: { | |
| 186 type: String | |
| 187 }, | |
| 188 | |
| 189 /** | |
| 190 * A placeholder string in addition to the label. If this is set, the labe
l will always float. | |
| 191 */ | |
| 192 placeholder: { | |
| 193 type: String | |
| 194 }, | |
| 195 | |
| 196 /** | |
| 197 * Bind this to the `<input is="iron-input">`'s `readonly` property. | |
| 198 */ | |
| 199 readonly: { | |
| 200 type: Boolean, | |
| 201 value: false | |
| 202 }, | |
| 203 | |
| 204 /** | |
| 205 * Bind this to the `<input is="iron-input">`'s `size` property. | |
| 206 */ | |
| 207 size: { | |
| 208 type: Number | |
| 209 }, | |
| 210 | |
| 211 _ariaDescribedBy: { | |
| 212 type: String, | |
| 213 value: '' | |
| 214 } | |
| 215 | |
| 216 }, | |
| 217 | |
| 218 listeners: { | |
| 219 'addon-attached': '_onAddonAttached' | |
| 220 }, | |
| 221 | |
| 222 /** | |
| 223 * Returns a reference to the input element. | |
| 224 */ | |
| 225 get inputElement() { | |
| 226 return this.$.input; | |
| 227 }, | |
| 228 | |
| 229 attached: function() { | |
| 230 this._updateAriaLabelledBy(); | |
| 231 }, | |
| 232 | |
| 233 _appendStringWithSpace: function(str, more) { | |
| 234 if (str) { | |
| 235 str = str + ' ' + more; | |
| 236 } else { | |
| 237 str = more; | |
| 238 } | |
| 239 return str; | |
| 240 }, | |
| 241 | |
| 242 _onAddonAttached: function(event) { | |
| 243 var target = event.path ? event.path[0] : event.target; | |
| 244 if (target.id) { | |
| 245 this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedB
y, target.id); | |
| 246 } else { | |
| 247 var id = 'paper-input-add-on-' + Math.floor((Math.random() * 100000)); | |
| 248 target.id = id; | |
| 249 this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedB
y, id); | |
| 250 } | |
| 251 }, | |
| 252 | |
| 253 /** | |
| 254 * Validates the input element and sets an error style if needed. | |
| 255 */ | |
| 256 validate: function () { | |
| 257 return this.inputElement.validate(); | |
| 258 }, | |
| 259 | |
| 260 _computeAlwaysFloatLabel: function(alwaysFloatLabel, placeholder) { | |
| 261 return placeholder || alwaysFloatLabel; | |
| 262 }, | |
| 263 | |
| 264 _updateAriaLabelledBy: function() { | |
| 265 var label = Polymer.dom(this.root).querySelector('label'); | |
| 266 if (!label) { | |
| 267 this._ariaLabelledBy = ''; | |
| 268 return; | |
| 269 } | |
| 270 var labelledBy; | |
| 271 if (label.id) { | |
| 272 labelledBy = label.id; | |
| 273 } else { | |
| 274 labelledBy = 'paper-input-label-' + new Date().getUTCMilliseconds(); | |
| 275 label.id = labelledBy; | |
| 276 } | |
| 277 this._ariaLabelledBy = labelledBy; | |
| 278 } | |
| 279 | |
| 280 }; | |
| 281 | |
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