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| // <style>
// .v-select.dropdown {
// position: relative;
// }
//
// .v-select .open-indicator {
// position: absolute;
// bottom: 6px;
// right: 10px;
// display: inline-block;
// cursor: pointer;
// pointer-events: all;
// transition: all 150ms cubic-bezier(1.000, -0.115, 0.975, 0.855);
// transition-timing-function: cubic-bezier(1.000, -0.115, 0.975, 0.855);
// }
//
// .v-select .open-indicator:before {
// border-color: rgba(60,60,60,.5);
// border-style: solid;
// border-width: 0.25em 0.25em 0 0;
// content: '';
// display: inline-block;
// height: 10px;
// width: 10px;
// vertical-align: top;
// transform: rotate(133deg);
// transition: all 150ms cubic-bezier(1.000, -0.115, 0.975, 0.855);
// transition-timing-function: cubic-bezier(1.000, -0.115, 0.975, 0.855);
// }
//
// .v-select.open .open-indicator {
// bottom: 1px;
// }
//
// .v-select.open .open-indicator:before {
// transform: rotate(315deg);
// }
//
// .v-select .dropdown-toggle {
// display: block;
// padding: 0;
// background: none;
// border: 1px solid rgba(60,60,60,.26);
// border-radius: 4px;
// white-space: normal;
// }
//
// .v-select.searchable .dropdown-toggle {
// cursor: text;
// }
//
// .v-select.open .dropdown-toggle {
// border-bottom: none;
// border-bottom-left-radius: 0;
// border-bottom-right-radius: 0;
// }
//
// .v-select > .dropdown-menu {
// margin: 0;
// width: 100%;
// overflow-y: auto;
// border-top: none;
// border-top-left-radius: 0;
// border-top-right-radius: 0;
// }
//
// .v-select .selected-tag {
// color: #333;
// background-color: #f0f0f0;
// border: 1px solid #ccc;
// border-radius: 4px;
// height: 26px;
// margin: 4px 1px 0px 3px;
// padding: 0 0.25em;
// float: left;
// line-height: 1.7em;
// }
//
// .v-select .selected-tag .close {
// float: none;
// margin-right: 0;
// font-size: 20px;
// }
//
// .v-select input[type=search],
// .v-select input[type=search]:focus {
// display: inline-block;
// border: none;
// outline: none;
// margin: 0;
// padding: 0 .5em;
// width: 10em;
// max-width: 100%;
// background: none;
// position: relative;
// box-shadow: none;
// float: left;
// clear: none;
// }
//
// .v-select input[type=search]:disabled {
// cursor: pointer;
// }
//
// .v-select li a {
// cursor: pointer;
// }
//
// .v-select .active a {
// background: rgba(50,50,50,.1);
// color: #333;
// }
//
// .v-select .highlight a,
// .v-select li:hover > a {
// background: #f0f0f0;
// color: #333;
// }
// </style>
//
// <template>
// <div class="dropdown v-select" :class="dropdownClasses">
// <div v-el:toggle @mousedown.prevent="toggleDropdown" class="dropdown-toggle clearfix" type="button">
// <span class="form-control" v-if="!searchable && isValueEmpty">
// {{ placeholder }}
// </span>
//
// <span class="selected-tag" v-for="option in valueAsArray">
// {{ getOptionLabel(option) }}
// <button v-if="multiple" @click="select(option)" type="button" class="close">
// <span aria-hidden="true">×</span>
// </button>
// </span>
//
// <input
// v-el:search
// v-show="searchable"
// v-model="search"
// @keydown.delete="maybeDeleteValue"
// @keyup.esc="onEscape"
// @keyup.up.prevent="typeAheadUp"
// @keyup.down.prevent="typeAheadDown"
// @keyup.enter.prevent="typeAheadSelect"
// @blur="open = false"
// @focus="open = true"
// type="search"
// class="form-control"
// :placeholder="searchPlaceholder"
// :style="{ width: isValueEmpty ? '100%' : 'auto' }"
// >
//
// <i v-el:open-indicator role="presentation" class="open-indicator"></i>
// </div>
//
// <ul v-show="open" v-el:dropdown-menu :transition="transition" :style="{ 'max-height': maxHeight }" class="dropdown-menu animated">
// <li v-for="option in filteredOptions" track-by="$index" :class="{ active: isOptionSelected(option), highlight: $index === typeAheadPointer }" @mouseover="typeAheadPointer = $index">
// <a @mousedown.prevent="select(option)">
// {{ getOptionLabel(option) }}
// </a>
// </li>
// <li transition="fade" v-if="!filteredOptions.length" class="divider"></li>
// <li transition="fade" v-if="!filteredOptions.length" class="text-center">
// <slot name="no-options">Sorry, no matching options.</slot>
// </li>
// </ul>
// </div>
// </template>
//
//
// <script type="text/babel">
export default {
props: {
/**
* Contains the currently selected value. Very similar to a
* `value` attribute on an <input>. In most cases, you'll want
* to set this as a two-way binding, using :value.sync. However,
* this will not work with Vuex, in which case you'll need to use
* the onChange callback property.
* @type {Object||String||null}
*/
value: {
default: null
},
/**
* An array of strings or objects to be used as dropdown choices.
* If you are using an array of objects, vue-select will look for
* a `label` key (ex. [{label: 'This is Foo', value: 'foo'}]). A
* custom label key can be set with the `label` prop.
* @type {Object}
*/
options: {
type: Array,
default() { return [] },
},
/**
* Sets the max-height property on the dropdown list.
* @deprecated
* @type {String}
*/
maxHeight: {
type: String,
default: '400px'
},
/**
* Enable/disable filtering the options.
* @type {Boolean}
*/
searchable: {
type: Boolean,
default: true
},
/**
* Equivalent to the `multiple` attribute on a `<select>` input.
* @type {Object}
*/
multiple: {
type: Boolean,
default: false
},
/**
* Equivalent to the `placeholder` attribute on an `<input>`.
* @type {Object}
*/
placeholder: {
type: String,
default: ''
},
/**
* Sets a Vue transition property on the `.dropdown-menu`. vue-select
* does not include CSS for transitions, you'll need to add them yourself.
* @type {String}
*/
transition: {
type: String,
default: 'expand'
},
/**
* Enables/disables clearing the search text when an option is selected.
* @type {Boolean}
*/
clearSearchOnSelect: {
type: Boolean,
default: true
},
/**
* Tells vue-select what key to use when generating option
* labels when each `option` is an object.
* @type {String}
*/
label: {
type: String,
default: 'label'
},
/**
* An optional callback function that is called each time the selected
* value(s) change. When integrating with Vuex, use this callback to trigger
* an action, rather than using :value.sync to retreive the selected value.
* @type {Function}
* @default {null}
*/
onChange: Function,
/**
* Enable/disable creating options from searchInput.
* @type {Boolean}
*/
taggable: {
type: Boolean,
default: false
},
/**
* When true, newly created tags will be added to
* the options list.
* @type {Boolean}
*/
pushTags: {
type: Boolean,
default: false
},
/**
* User defined function for adding Options
* @type {Function}
*/
createOption: {
type: Function,
default: function (newOption) {
if (typeof this.options[0] === 'object') {
return {[this.label]: newOption}
}
return newOption
}
}
},
data() {
return {
search: '',
open: false,
typeAheadPointer: -1,
}
},
watch: {
value(val, old) {
this.onChange && val !== old ? this.onChange(val) : null
},
options() {
if (!this.taggable) {
this.$set('value', this.multiple ? [] : null)
}
},
multiple( val ) {
this.$set('value', val ? [] : null)
},
filteredOptions() {
this.typeAheadPointer = 0
},
},
methods: {
/**
* Select a given option.
* @param {Object||String} option
* @return {void}
*/
select(option) {
if (!this.isOptionSelected(option)) {
if (this.taggable && !this.optionExists(option)) {
option = this.createOption(option)
if( this.pushTags ) {
this.options.push(option)
}
}
if (this.multiple) {
if (!this.value) {
this.$set('value', [option])
} else {
this.value.push(option)
}
} else {
this.value = option
}
} else {
Eif (this.multiple) {
this.value.$remove(option)
}
}
this.onAfterSelect(option)
},
/**
* Called from this.select after each selection.
* @param {Object||String} option
* @return {void}
*/
onAfterSelect(option) {
if (!this.multiple) {
this.open = !this.open
this.$els.search.blur()
}
Eif( this.clearSearchOnSelect ) {
this.search = ''
}
},
/**
* Toggle the visibility of the dropdown menu.
* @param {Event} e
* @return {void}
*/
toggleDropdown(e) {
Eif( e.target === this.$els.openIndicator || e.target === this.$els.search || e.target === this.$els.toggle || e.target === this.$el ) {
Iif( this.open ) {
this.$els.search.blur() // dropdown will close on blur
} else {
this.open = true
this.$els.search.focus()
}
}
},
/**
* Check if the given option is currently selected.
* @param {Object||String} option
* @return {Boolean} True when selected || False otherwise
*/
isOptionSelected( option ) {
if( this.multiple && this.value ) {
let selected = false
this.value.forEach(opt => {
if( typeof opt === 'object' && opt[this.label] === option ) {
selected = true
} else if( opt === option ) {
selected = true
}
})
return selected
}
return this.value === option
},
/**
* If the selected option has option['value'] return it.
* Otherwise, return the entire option.
* @param {Object||String} option
* @return {Object||String}
* @deprecated will be removed in 1.0.8
*/
getOptionValue( option ) {
if( typeof option === 'object' && option.value ) {
return option.value;
}
return option;
},
/**
* Generate the option label text. If {option}
* is an object, return option[this.label].
*
* @param {Object || String} option
* @return {String}
*/
getOptionLabel( option ) {
if( typeof option === 'object' ) {
if( this.label && option[this.label] ) {
return option[this.label]
}
}
return option;
},
/**
* Move the typeAheadPointer visually up the list by
* subtracting the current index by one.
* @return {void}
*/
typeAheadUp() {
Eif (this.typeAheadPointer > 0) this.typeAheadPointer--
},
/**
* Move the typeAheadPointer visually down the list by
* adding the current index by one.
* @return {void}
*/
typeAheadDown() {
if (this.typeAheadPointer < this.filteredOptions.length - 1) this.typeAheadPointer++
},
/**
* Select the option at the current typeAheadPointer position.
* Optionally clear the search input on selection.
* @return {void}
*/
typeAheadSelect() {
if( this.filteredOptions[ this.typeAheadPointer ] ) {
this.select( this.filteredOptions[ this.typeAheadPointer ] );
} else Eif (this.taggable && this.search.length){
this.select(this.search)
}
Eif( this.clearSearchOnSelect ) {
this.search = "";
}
},
/**
* If there is any text in the search input, remove it.
* Otherwise, blur the search input to close the dropdown.
* @return {[type]} [description]
*/
onEscape() {
Iif( ! this.search.length ) {
this.$els.search.blur()
} else {
this.search = ''
}
},
/**
* Delete the value on Delete keypress when there is no
* text in the search input, & there's tags to delete
* @return {this.value}
*/
maybeDeleteValue() {
Eif( ! this.$els.search.value.length && this.value ) {
return this.multiple ? this.value.pop() : this.$set('value', null)
}
},
/**
* Determine if an option exists
* within this.options array.
*
* @param {Object || String} option
* @return {boolean}
*/
optionExists(option) {
let exists = false
this.options.forEach(opt => {
if( typeof opt === 'object' && opt[this.label] === option ) {
exists = true
} else if( opt === option ) {
exists = true
}
})
return exists
}
},
computed: {
/**
* Classes to be output on .dropdown
* @return {Object}
*/
dropdownClasses() {
return {
open: this.open,
searchable: this.searchable
}
},
/**
* Return the placeholder string if it's set
* & there is no value selected.
* @return {String} Placeholder text
*/
searchPlaceholder() {
if( this.isValueEmpty && this.placeholder ) {
return this.placeholder;
}
},
/**
* The currently displayed options, filtered
* by the search elements value. If tagging
* true, the search text will be prepended
* if it doesn't already exist.
*
* @return {array}
*/
filteredOptions() {
let options = this.$options.filters.filterBy(this.options, this.search)
if (this.taggable && this.search.length && !this.optionExists(this.search)) {
options.unshift(this.search)
}
return options
},
/**
* Check if there aren't any options selected.
* @return {Boolean}
*/
isValueEmpty() {
if( this.value ) {
if( typeof this.value === 'object' ) {
return ! Object.keys(this.value).length
}
return ! this.value.length
}
return true;
},
/**
* Return the current value in array format.
* @return {Array}
*/
valueAsArray() {
if( this.multiple ) {
return this.value
} else if (this.value) {
return [this.value]
}
return []
}
}
}
// </script>
/* generated by vue-loader */
|