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Code Issues Projects Releases Packages Wiki Activity

* Lots of minor code cleanup

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* WIP work on HorizontalMenuView
* Initial art for HorizontalMenuView demo
This commit is contained in:
Bryan Ashby 2015-06-30 22:45:27 -06:00
parent c87c0d69b7
commit d346fe72ee
11 changed files with 114 additions and 66 deletions
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85
core/horizontal_menu_view.js
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@ -5,24 +5,91 @@ var MenuView = require('./menu_view.js').MenuView;
var ansi = require('./ansi_term.js');
var strUtil = require('./string_util.js');
function HorizontalMenuView = function(options) {
var assert = require('assert');
exports.HorizontalMenuView = HorizontalMenuView;
function HorizontalMenuView(options) {
options.cursor = options.cursor || 'hide';
MenuView.call(this, options);
this.dimens.height = 1; // always the case
var self = this;
this.getSpacer = function() {
return new Array(self.itemSpacing).join(' ');
}
this.performAutoScale = function() {
if(self.autoScale.width) {
var spacer = self.getSpacer();
var width = self.items.join(spacer).length + (spacer.length * 2);
assert(width <= self.client.term.termWidth - self.position.col);
self.dimens.width = width;
}
};
this.performAutoScale();
this.cachePositions = function() {
if(this.positionCacheExpired) {
var col = self.position.col;
var spacer = self.getSpacer();
self.itemColumns = [];
for(var i = 0; i < self.items.length; ++i) {
self.itemColumns[i] = col;
col += spacer.length + self.items[i].length + spacer.length;
}
}
this.positionCacheExpired = false;
};
this.drawItem = function(index) {
assert(self.itemColumns.length === self.items.length);
var item = self.items[index];
if(!item) {
return;
}
self.client.term.write(ansi.goto(item.row, self.itemColumns[index]));
self.client.term.write(index === self.focusedItemIndex ? self.getFocusSGR() : self.getSGR());
var text = strUtil.stylizeString(item.text, item.focused ? self.focusTextStyle : self.textStyle);
var extraPad = self.getSpacer().length * 2;
self.client.term.write(
strUtil.pad(text, text.length + extraPad, this.fillChar, 'center'));
};
}
require('util').inherits(HorizontalMenuView, MenuView);
HorizontalMenuView.prototype.setHeight = function(height) {
height = parseInt(height, 10);
assert(1 === height); // nothing else allowed here
HorizontalMenuView.super_.prototype.setHeight(this, height);
};
HorizontalMenuView.prototype.redraw = function() {
HorizontalMenuView.super_.prototype.redraw.call(this);
this.cachePositions();
for(var i = 0; i < this.items.length; ++i) {
this.items[i].focused = this.focusedItemIndex === i;
this.drawItem(i);
}
};
HorizontalMenuView.prototype.setPosition = function(pos) {
HorizontalMenuView.super_.prototype.setPosition.call(this, pos);
this.positionCacheExpired = true;
};
HorizontalMenuView.prototype.setFocus = function(focused) {
@ -34,17 +101,5 @@ HorizontalMenuView.prototype.setFocus = function(focused) {
HorizontalMenuView.prototype.setItems = function(items) {
HorizontalMenuView.super_.prototype.setItems.call(this, items);
//
// Styles:
// * itemPadding: n
// *
//
//
// item1 item2 itemThree itemfour!!!!!
// ^^^^^^^^^
//
// item1 item2 itemThree item!!!!!
// ^^^^^^^
this.positionCacheExpired = true;
};