From 7473ad4227772295570299873e75032431d1cf41 Mon Sep 17 00:00:00 2001 From: Florrie Date: Wed, 30 May 2018 10:44:59 -0300 Subject: UI UI UI UI UI --- ui.js | 113 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 ui.js (limited to 'ui.js') diff --git a/ui.js b/ui.js new file mode 100644 index 0000000..26aa12e --- /dev/null +++ b/ui.js @@ -0,0 +1,113 @@ +const ansi = require('./tui-lib/util/ansi') +const Button = require('./tui-lib/ui/form/Button') +const FocusElement = require('./tui-lib/ui/form/FocusElement') +const ListScrollForm = require('./tui-lib/ui/form/ListScrollForm') +const Pane = require('./tui-lib/ui/Pane') +const RecordStore = require('./record-store') + +class AppElement extends FocusElement { + constructor(internalApp) { + super() + + this.internalApp = internalApp + this.recordStore = new RecordStore() + + this.pane = new Pane() + this.addChild(this.pane) + + this.grouplikeListingElement = new GrouplikeListingElement(this.recordStore) + this.pane.addChild(this.grouplikeListingElement) + } + + fixLayout() { + this.w = this.parent.contentW + this.h = this.parent.contentH + + this.pane.w = this.contentW + this.pane.h = this.contentH + + this.grouplikeListingElement.w = this.pane.contentW + this.grouplikeListingElement.h = this.pane.contentH + } + + keyPressed(keyBuf) { + if (keyBuf[0] === 0x03) { // ^C + this.emit('quitRequested') + return + } + + super.keyPressed(keyBuf) + } +} + +class GrouplikeListingElement extends ListScrollForm { + constructor(recordStore) { + super('vertical') + + this.grouplike = null + this.recordStore = recordStore + } + + loadGrouplike(grouplike) { + this.grouplike = grouplike + this.buildItems() + } + + buildItems() { + if (!this.grouplike) { + throw new Error('Attempted to call buildItems before a grouplike was loaded') + } + + for (const item of this.grouplike.items) { + this.addInput(new GrouplikeItemElement(item, this.recordStore)) + } + + this.fixLayout() + } +} + +class GrouplikeItemElement extends Button { + constructor(item, recordStore) { + super() + + this.item = item + this.recordStore = recordStore + } + + fixLayout() { + this.w = this.parent.contentW + this.h = 1 + } + + drawTo(writable) { + if (this.isFocused) { + writable.write(ansi.invert()) + } + + writable.write(ansi.moveCursor(this.absTop, this.absLeft)) + this.drawX = this.x + this.writeStatus(writable) + this.drawX += this.item.name.length + writable.write(this.item.name) + writable.write(' '.repeat(this.w - this.drawX)) + + writable.write(ansi.resetAttributes()) + } + + writeStatus(writable) { + this.drawX += 3 + + const braille = '⠈⠐⠠⠄⠂⠁' + const brailleChar = braille[Math.floor(Date.now() / 250) % 6] + + writable.write(' ') + if (this.recordStore.getRecord(this.item).downloading) { + writable.write(braille[Math.floor(Date.now() / 250) % 6]) + } else { + writable.write(' ') + } + writable.write(' ') + } +} + +module.exports.AppElement = AppElement -- cgit 1.3.0-6-gf8a5