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Merge pull request #1820 from datadryad/admin-dashboard
Admin dashboard improvements
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| 'use strict'; | ||
|
|
||
| class MultipleSelect { | ||
| constructor(combobox, textbox, list) { | ||
| this.combobox = combobox | ||
| this.textbox = textbox | ||
| this.list = list | ||
|
|
||
| this.textbox.addEventListener('click', this.open.bind(this)) | ||
|
|
||
| this.textbox.addEventListener('blur', this.unFocus.bind(this), true) | ||
| this.list.addEventListener('blur', this.unFocus.bind(this), true) | ||
| this.combobox.addEventListener('blur', this.unFocus.bind(this), true) | ||
|
|
||
| this.textbox.addEventListener('keydown', this.keyPressed.bind(this)) | ||
| this.list.addEventListener('keydown', this.listPressed.bind(this), true) | ||
|
|
||
| this.list.addEventListener('click', this.selectOption.bind(this), true) | ||
| } | ||
| open() { | ||
| this.list.removeAttribute('hidden') | ||
| this.textbox.setAttribute('aria-expanded', true) | ||
| } | ||
| close(){ | ||
| this.list.setAttribute('hidden', true) | ||
| this.textbox.setAttribute('aria-expanded', false) | ||
| } | ||
| unFocus(e) { | ||
| if (!this.combobox.contains(e.relatedTarget)) { | ||
| this.close() | ||
| } | ||
| } | ||
| selectOption(e) { | ||
| const checked = this.list.querySelectorAll('input[type="checkbox"]:checked') | ||
| const selected = Array.from(checked) | ||
| if (selected.length > 0) { | ||
| this.textbox.value = selected.map(x => x.parentElement.textContent.trim()).join(', ') | ||
| this.textbox.classList.add('selected') | ||
| } else { | ||
| this.textbox.value = '' | ||
| this.textbox.classList.remove('selected') | ||
| } | ||
| } | ||
| listPressed(e) { | ||
| this.keyPressed(e) | ||
| } | ||
| keyPressed(e, option) { | ||
| switch (e.key) { | ||
| case 'Enter': | ||
| if (e.target.type === 'checkbox') { | ||
| e.preventDefault() | ||
| e.stopPropagation() | ||
| e.target.checked = !e.target.checked | ||
| this.selectOption(e) | ||
| } | ||
| else if (e.target.id === this.textbox.id) { | ||
| this.open() | ||
| } | ||
| break | ||
| case 'ArrowDown': | ||
| case 'ArrowRight': | ||
| e.preventDefault() | ||
| if (e.target.id === this.textbox.id) { | ||
| if (this.list.hasAttribute('hidden')) this.open() | ||
| this.list.firstElementChild.firstElementChild.focus() | ||
| } else if (e.target.parentElement.nextElementSibling) { | ||
| e.target.parentElement.nextElementSibling.firstElementChild.focus() | ||
| } | ||
| break | ||
| case 'ArrowUp': | ||
| e.preventDefault() | ||
| if (e.target.id !== this.textbox.id && e.target.parentElement.previousElementSibling) { | ||
| e.target.parentElement.previousElementSibling.firstElementChild.focus() | ||
| } | ||
| break | ||
| case 'Home': | ||
| e.preventDefault() | ||
| if (e.target.id !== this.textbox.id) { | ||
| this.list.firstElementChild.firstElementChild.focus() | ||
| } | ||
| break | ||
| case 'End': | ||
| e.preventDefault() | ||
| if (e.target.id !== this.textbox.id) { | ||
| this.list.lastElementChild.firstElementChild.focus() | ||
| } | ||
| break | ||
| default: | ||
| break | ||
| } | ||
| } | ||
|
|
||
| } |
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