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* Fix some handling of height, itemSpacing, etc. in VerticalMenuView

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* Change auto scale to be height/width dependent
This commit is contained in:
Bryan Ashby 2015-05-07 16:14:16 -06:00
parent 7fc4858959
commit 37adeb5f90
4 changed files with 19 additions and 44 deletions
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42
core/vertical_menu_view.js
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@ -14,60 +14,32 @@ exports.VerticalMenuView = VerticalMenuView;
function VerticalMenuView(options) {
options.cursor = options.cursor || 'hide';
options.justify = options.justify || 'center';
options.justify = options.justify || 'right';
MenuView.call(this, options);
var self = this;
this.performAutoScale = function() {
if(this.autoScale) {
if(this.autoScale.height) {
this.dimens.height = (self.items.length * (self.itemSpacing + 1)) - (self.itemSpacing);
this.dimens.height = Math.min(this.dimens.height, self.client.term.termHeight - self.position.x);
}
if(this.autoScale.width) {
var l = 0;
self.items.forEach(function item(i) {
if(i.text.length > l) {
l = Math.min(i.text.length, self.client.term.termWidth - self.position.y);
}
});
self.dimens.width = l;
self.dimens.width = l + 1;
}
};
this.performAutoScale();
this.cachePositions = function() {
if(self.positionCacheExpired) {
var count = this.items.length;
var x = self.position.x;
for(var i = 0; i < count; ++i) {
if(i > 0) {
x += self.itemSpacing + 1;
}
self.items[i].xPosition = x;
}
self.positionCacheExpired = false;
}
};
this.changeSelection = function(fromIndex, toIndex) {
assert(!self.positionCacheExpired);
assert(fromIndex >= 0 && fromIndex <= self.items.length);
assert(toIndex >= 0 && toIndex <= self.items.length);
self.items[fromIndex].focused = false;
self.drawItem(fromIndex);
self.items[toIndex].focused = true;
self.focusedItemIndex = toIndex;
self.drawItem(toIndex);
};
this.drawItem = function(index) {
assert(self.positionCacheExpired === false);
var item = self.items[index];
if(!item) {
return;
@ -161,11 +133,9 @@ VerticalMenuView.prototype.getData = function() {
VerticalMenuView.prototype.setItems = function(items) {
VerticalMenuView.super_.prototype.setItems.call(this, items);
this.positionCacheExpired = true;
this.cachePositions();
this.performAutoScale();
this.maxVisibleItems = this.dimens.height / (this.itemSpacing + 1);
this.maxVisibleItems = Math.ceil(this.dimens.height / (this.itemSpacing + 1));
this.viewWindow = {
top : this.focusedItemIndex,