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implement dropdown menu with delete button for nodes list
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| <template> | ||
| <div v-click-outside="{ handler: onClickOutsideMenu, capture: true }" class="relative inline-block text-left"> | ||
|
|
||
| <!-- menu button --> | ||
| <div ref="dropdown-button" @click.stop="toggleMenu"> | ||
| <slot name="button"/> | ||
| </div> | ||
|
|
||
| <!-- drop down menu --> | ||
| <Transition | ||
| enter-active-class="transition ease-out duration-100" | ||
| enter-from-class="transform opacity-0 scale-95" | ||
| enter-to-class="transform opacity-100 scale-100" | ||
| leave-active-class="transition ease-in duration-75" | ||
| leave-from-class="transform opacity-100 scale-100" | ||
| leave-to-class="transform opacity-0 scale-95"> | ||
| <div v-if="isShowingMenu" @click.stop="hideMenu" class="overflow-hidden absolute right-0 z-10 mr-4 w-56 divide-y divide-gray-100 rounded-md bg-white shadow-lg ring-1 ring-black/5 focus:outline-none" :class="[ dropdownClass ]"> | ||
| <slot name="items"/> | ||
| </div> | ||
| </Transition> | ||
|
|
||
| </div> | ||
| </template> | ||
|
|
||
| <script> | ||
| export default { | ||
| name: 'DropDownMenu', | ||
| data() { | ||
| return { | ||
| isShowingMenu: false, | ||
| dropdownClass: null, | ||
| }; | ||
| }, | ||
| methods: { | ||
| toggleMenu() { | ||
| if(this.isShowingMenu){ | ||
| this.hideMenu(); | ||
| } else { | ||
| this.showMenu(); | ||
| } | ||
| }, | ||
| showMenu() { | ||
| this.isShowingMenu = true; | ||
| this.adjustDropdownPosition(); | ||
| }, | ||
| hideMenu() { | ||
| this.isShowingMenu = false; | ||
| }, | ||
| onClickOutsideMenu(event) { | ||
| if(this.isShowingMenu){ | ||
| event.preventDefault(); | ||
| this.hideMenu(); | ||
| } | ||
| }, | ||
| adjustDropdownPosition() { | ||
| this.$nextTick(() => { | ||
| // find button and dropdown | ||
| const button = this.$refs["dropdown-button"]; | ||
| const dropdown = button.nextElementSibling; | ||
| // do nothing if not found | ||
| if(!button || !dropdown){ | ||
| return; | ||
| } | ||
| // get bounding box of button and dropdown | ||
| const buttonRect = button.getBoundingClientRect(); | ||
| const dropdownRect = dropdown.getBoundingClientRect(); | ||
| // calculate how much space is under and above the button | ||
| const spaceBelowButton = window.innerHeight - buttonRect.bottom; | ||
| const spaceAboveButton = buttonRect.top; | ||
| // calculate if there is enough space available to show dropdown | ||
| const hasEnoughSpaceAboveButton = spaceAboveButton > dropdownRect.height; | ||
| const hasEnoughSpaceBelowButton = spaceBelowButton > dropdownRect.height; | ||
| // show dropdown above button | ||
| if(hasEnoughSpaceAboveButton && !hasEnoughSpaceBelowButton){ | ||
| this.dropdownClass = "bottom-0 mb-12"; | ||
| return; | ||
| } | ||
| // otherwise fallback to showing dropdown below button | ||
| this.dropdownClass = "top-0 mt-12"; | ||
| }); | ||
| }, | ||
| }, | ||
| } | ||
| </script> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| <template> | ||
| <div class="group flex items-center p-2 text-sm text-gray-700 hover:bg-gray-100 hover:text-gray-900 hover:outline-none"> | ||
|
|
||
| <!-- icon --> | ||
| <div class="mr-2 text-gray-400 group-hover:text-gray-500"> | ||
| <slot name="icon"/> | ||
| </div> | ||
|
|
||
| <!-- label --> | ||
| <div> | ||
| <slot name="label"/> | ||
| </div> | ||
|
|
||
| </div> | ||
| </template> | ||
|
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||
| <script> | ||
| export default { | ||
| name: 'DropDownMenuItem', | ||
| } | ||
| </script> |
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