Support sub-menu for dropdown #1455
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| <template> | ||
| <li | ||
| ref="submenu" | ||
| :class="[addClass, 'dropdown-submenu', | ||
| { 'dropright': dropright, 'dropleft': dropleft }]" | ||
| > | ||
| <slot name="button"> | ||
| <a | ||
| class="submenu-toggle" | ||
| role="button" | ||
| :class="{disabled: disabled}" | ||
| > | ||
| <slot name="_header"> | ||
| <slot name="header"></slot> | ||
| </slot> | ||
| </a> | ||
| </slot> | ||
| <slot name="dropdown-menu"> | ||
| <ul class="dropdown-menu"> | ||
| <slot></slot> | ||
| </ul> | ||
| </slot> | ||
| </li> | ||
| </template> | ||
|
|
||
| <script> | ||
| import { toBoolean } from './utils/utils'; | ||
| import $ from './utils/NodeList'; | ||
| import positionSubmenu from './utils/submenu'; | ||
|
|
||
| export default { | ||
| props: { | ||
| addClass: { | ||
| type: String, | ||
| default: '', | ||
| }, | ||
| disabled: { | ||
| type: Boolean, | ||
| default: false, | ||
| }, | ||
| }, | ||
| data() { | ||
| return { | ||
| show: false, | ||
| dropright: true, | ||
| dropleft: false, | ||
| }; | ||
| }, | ||
| computed: { | ||
| disabledBool() { | ||
| return toBoolean(this.disabled); | ||
| }, | ||
| }, | ||
| methods: { | ||
| hideSubmenu() { | ||
| this.show = false; | ||
|
There was a problem hiding this comment. let's use |
||
| $(this.$refs.submenu).findChildren('ul').each(ul => ul.classList.toggle('show', false)); | ||
| this.alignMenuRight(); | ||
| }, | ||
| showSubmenu() { | ||
| this.show = true; | ||
| $(this.$refs.submenu).findChildren('ul').each((ul) => { | ||
| ul.classList.toggle('show', true); | ||
| if (positionSubmenu.isRightAlign(ul)) { | ||
| this.alignMenuRight(); | ||
| } else { | ||
| this.alignMenuLeft(); | ||
| } | ||
| positionSubmenu.preventOverflow(ul); | ||
| }); | ||
| }, | ||
| alignMenuRight() { | ||
| this.dropright = true; | ||
| this.dropleft = false; | ||
| }, | ||
| alignMenuLeft() { | ||
| this.dropright = false; | ||
| this.dropleft = true; | ||
| }, | ||
| }, | ||
| mounted() { | ||
| const $el = $(this.$refs.submenu); | ||
| if (this.show) { | ||
| this.showSubmenu(); | ||
| } | ||
| $el.onBlur(() => { this.hideSubmenu(); }, false); | ||
| $el.findChildren('a,button').on('click', (e) => { | ||
| e.preventDefault(); | ||
| if (e.target !== e.currentTarget) { e.stopPropagation(); } | ||
| if (window.innerWidth < 768) { | ||
| if (this.disabledBool) { return false; } | ||
| if (this.show) { | ||
| this.hideSubmenu(); | ||
| } else { | ||
| this.showSubmenu(); | ||
| } | ||
| } | ||
| return false; | ||
| }); | ||
| $el.findChildren('a,button').on('mouseover', (e) => { | ||
| e.preventDefault(); | ||
| if (window.innerWidth > 767) { | ||
| if (this.disabledBool) { return false; } | ||
| e.currentTarget.click(); | ||
| this.showSubmenu(); | ||
| } | ||
| return false; | ||
| }); | ||
| }, | ||
| beforeDestroy() { | ||
| const $el = $(this.$refs.submenu); | ||
| $el.offBlur(); | ||
| $el.findChildren('a,button').off(); | ||
| $el.findChildren('ul').off(); | ||
| }, | ||
| }; | ||
| </script> | ||
|
|
||
| <style scoped> | ||
| .dropdown-submenu { | ||
| color: #212529 !important; | ||
| padding: 0 !important; | ||
| position: relative; | ||
| } | ||
|
|
||
| .submenu-toggle { | ||
| display: inline-block; | ||
| width: 100%; | ||
| padding: .25rem .75rem .25rem 1.5rem; | ||
| } | ||
|
|
||
| .dropdown > ul > .dropdown-submenu:last-child > ul, | ||
| .btn-group > ul > .dropdown-submenu:last-child > ul { | ||
| margin-bottom: -.5rem; | ||
| } | ||
|
|
||
| @media (min-width: 768px) { | ||
| .submenu-toggle:after { | ||
| display: inline-block; | ||
| width: 0; | ||
| height: 0; | ||
| vertical-align: .255em; | ||
| content: ""; | ||
| border-top: .3em solid transparent; | ||
| border-right: 0; | ||
| border-bottom: .3em solid transparent; | ||
| border-left: .3em solid; | ||
| float: right; | ||
| margin-top: .5em; | ||
| } | ||
| } | ||
|
|
||
| @media (max-width: 767px) { | ||
| .dropdown-submenu > ul { | ||
| padding-bottom: 0; | ||
| border-radius: 0; | ||
| margin: -.05rem; | ||
| position: static; | ||
| float: none; | ||
| } | ||
|
|
||
| .submenu-toggle:after { | ||
| display: inline-block; | ||
| width: 0; | ||
| height: 0; | ||
| margin-left: .255em; | ||
| vertical-align: .255em; | ||
| content: ""; | ||
| border-top: .3em solid; | ||
| border-right: .3em solid transparent; | ||
| border-bottom: 0; | ||
| border-left: .3em solid transparent; | ||
| float: right; | ||
| margin-top: .5em; | ||
| } | ||
| } | ||
| </style> | ||
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let's correct these in another PR; we could enable linting for
dropdown.vueas well. (the unlinted ones are files that haven't changed much from vue-strap)There was a problem hiding this comment.
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Alright sure will open another PR for this 👍