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/*
* Copyright (c) 2016 Jose Pereira <onaips@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import Cocoa
class ResultsView: NSView {
@IBOutlet fileprivate var scrollView: NSScrollView!
let rectFillPadding: CGFloat = 5
var resultsList: [ListItem] = []
var dirtyWidth: Bool = false
var selectedRect = NSRect()
var selectedIndexValue: Int = 0
var selectedIndex: Int {
get {
return selectedIndexValue
}
set {
if newValue < 0 || newValue >= resultsList.count {
return
}
selectedIndexValue = newValue
needsDisplay = true
}
}
var list: [ListItem] {
get {
return resultsList
}
set {
selectedIndexValue = 0
resultsList = newValue
needsDisplay = true
}
}
func selectedItem() -> ListItem? {
if selectedIndexValue < 0 || selectedIndexValue >= resultsList.count {
return nil
} else {
return resultsList[selectedIndexValue]
}
}
func clear() {
resultsList.removeAll()
needsDisplay = true
}
override func draw(_ dirtyRect: NSRect) {
var textX = CGFloat(rectFillPadding)
let drawList = list.count > 0 ? list : [ListItem(name: "No results", data: nil)]
for i in 0 ..< drawList.count {
let item = (drawList[i].name) as NSString
let size = item.size(withAttributes: [NSAttributedString.Key: Any]())
let textY = (frame.height - size.height) / 2
if selectedIndexValue == i {
selectedRect = NSRect(
x: textX - rectFillPadding,
y: textY - rectFillPadding,
width: size.width + rectFillPadding * 2,
height: size.height + rectFillPadding * 2)
NSColor.selectedTextBackgroundColor.setFill()
__NSRectFill(selectedRect)
}
item.draw(in: NSRect(
x: textX,
y: textY,
width: size.width,
height: size.height), withAttributes: [
NSAttributedString.Key.foregroundColor: NSColor.textColor
])
textX += 10 + size.width
}
if dirtyWidth {
frame = CGRect(x: frame.origin.x, y: frame.origin.y, width: textX, height: frame.height)
dirtyWidth = false
scrollView.contentView.scrollToVisible(selectedRect)
}
}
func updateWidth() {
dirtyWidth = true
}
}
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