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✨ Hotkeys for most tabs and resource creations
Closes #91 as well (by the Alt+F5) hotkey
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| /* From @github/hotkey | ||
| see https://github.com/github/hotkey/ */ | ||
| const isFormField = function(element) { | ||
| if (!(element instanceof HTMLElement)) { | ||
| return false; | ||
| } | ||
| var name = element.nodeName.toLowerCase(); | ||
| var type = (element.getAttribute('type') || '').toLowerCase(); | ||
| /* eslint no-mixed-operators: off*/ | ||
| return name === 'select' || | ||
| name === 'textarea' || | ||
| name === 'input' && | ||
| type !== 'submit' && | ||
| type !== 'reset' && | ||
| type !== 'checkbox' && | ||
| type !== 'radio' || | ||
| element.isContentEditable; | ||
| }; | ||
|
|
||
| const getCode = e => '' | ||
| .concat(e.ctrlKey? 'Control+' : '') | ||
| .concat(e.altKey? 'Alt+' : '') | ||
| .concat(e.metaKey ? 'Meta+' : '') | ||
| .concat(e.key); | ||
|
|
||
| const listenerRef = Symbol('keydownListener'); | ||
| const offDomEventsRef = Symbol('offDomEventsRef'); | ||
| const hotkeyRef = Symbol('hotkey'); | ||
|
|
||
| class Hotkeys { | ||
| constructor(doc) { | ||
| this.document = doc; | ||
| this.document[hotkeyRef] = this; | ||
| this.scopeStack = []; | ||
|
|
||
| this[offDomEventsRef] = new Map(); | ||
|
|
||
| this[listenerRef] = e => { | ||
| const code = getCode(e); | ||
| this.trigger(code); | ||
| }; | ||
| this.document.body.addEventListener('keydown', this[listenerRef]); | ||
| } | ||
|
|
||
| on(code, event) { | ||
| if (!this[offDomEventsRef].has(code)) { | ||
| this[offDomEventsRef].set(code, []); | ||
| } | ||
| if (this[offDomEventsRef].get(code).indexOf(event) === -1) { | ||
| this[offDomEventsRef].get(code).push(event); | ||
| } | ||
| } | ||
| off(code, event) { | ||
| if (event) { | ||
| const ind = this[offDomEventsRef].get(code).indexOf(event); | ||
| if (ind !== -1) { | ||
| this[offDomEventsRef].get(code).splice(ind, 1); | ||
| } | ||
| } else { | ||
| this[offDomEventsRef].set(code, []); | ||
| } | ||
| } | ||
| trigger(code) { | ||
| const offDom = this[offDomEventsRef].get(code); | ||
| if (offDom) { | ||
| for (const event of offDom) { | ||
| event(); | ||
| } | ||
| } | ||
| const elts = this.document.querySelectorAll(`[data-hotkey="${code}"]`); | ||
| if (this.scopeStack.length) { | ||
| // walk from the most recent scope to the last one | ||
| for (let i = this.scopeStack.length - 1; i >= 0; i--) { | ||
| const scope = this.scopeStack[i]; | ||
| for (const elt of elts) { | ||
| if (!elt.closest(`[data-hotkey-scope="${scope}"]`)) { | ||
| continue; | ||
| } | ||
| if (isFormField(elt)) { | ||
| elt.focus(); | ||
| } else { | ||
| elt.click(); | ||
| } | ||
| return; | ||
| } | ||
| } | ||
| } | ||
| // Look for all the elements if no scope | ||
| // is specified or no scoped elements were found | ||
| for (const elt of elts) { | ||
| if (isFormField(elt)) { | ||
| elt.focus(); | ||
| } else { | ||
| elt.click(); | ||
| } | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| get scope() { | ||
| return this.scopeStack[this.scopeStack.length - 1]; | ||
| } | ||
| set scope(val) { | ||
| if (Array.isArray(val)) { | ||
| this.scopeStack = val; | ||
| } else { | ||
| this.scopeStack = val.split(' '); | ||
| } | ||
| } | ||
| push(val) { | ||
| this.scopeStack.push(val); | ||
| } | ||
| pop() { | ||
| return this.scopeStack.pop(); | ||
| } | ||
| remove(val) { | ||
| const ind = this.scopeStack.indexOf(val); | ||
| if (val !== -1) { | ||
| this.scopeStack.splice(ind, 1); | ||
| } | ||
| return ind !== -1; | ||
| } | ||
| exit(val) { | ||
| const ind = this.scopeStack.indexOf(val); | ||
| if (val !== -1) { | ||
| this.scopeStack.splice(ind); | ||
| } | ||
| return ind !== -1; | ||
| } | ||
| cleanScope() { | ||
| this.scopeStack.length = 0; | ||
| } | ||
| inScope(val) { | ||
| return this.scopeStack.indexOf(val) !== -1; | ||
| } | ||
|
|
||
| unmount() { | ||
| this.document.body.removeEventListener('keydown', this[listenerRef]); | ||
| } | ||
| } | ||
|
|
||
| module.exports = function (doc) { | ||
| doc = doc || document; | ||
| if (!doc) { | ||
| throw new Error('Can\'t find the document object! Am I in a bare node.js context?!'); | ||
| } | ||
| if (hotkeyRef in doc) { | ||
| return doc[hotkeyRef]; | ||
| } | ||
| return new Hotkeys(doc); | ||
| }; |
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