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comparison src/name/blackcap/clipman/Menus.kt @ 35:5f8475b37e23

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Got it correctly enabling and disabling menu items.
author David Barts <n5jrn@me.com>
date Thu, 30 Jan 2020 20:21:42 -0800
parents 0c6c18a733b7
children fcf82e3b7e31
comparison
equal deleted inserted replaced
34:376643a09b52 35:5f8475b37e23
1 /* 1 /*
2 * Menu-related stuff, pertaining to both the menu bar and popup menus. 2 * Menu-related stuff, pertaining to both the menu bar and popup menus.
3 */ 3 */
4 package name.blackcap.clipman 4 package name.blackcap.clipman
5 5
6 import java.awt.Container
6 import java.awt.Toolkit 7 import java.awt.Toolkit
7 import java.awt.event.ActionEvent 8 import java.awt.event.ActionEvent
8 import java.awt.event.ActionListener 9 import java.awt.event.ActionListener
9 import java.awt.event.KeyEvent 10 import java.awt.event.KeyEvent
10 import java.util.LinkedList
11 import javax.swing.* 11 import javax.swing.*
12 import kotlin.collections.HashSet
12 13
13 /** 14 /**
14 * Listen to actionEvents from both menu bar and popup menu selections. 15 * Listen to actionEvents from both menu bar and popup menu selections.
15 */ 16 */
16 class MenuItemListener: ActionListener { 17 class MenuItemListener: ActionListener {
56 /** 57 /**
57 * Track menu items that require something to be selected in order 58 * Track menu items that require something to be selected in order
58 * to work, and allow them to be enabled and disabled en masse. 59 * to work, and allow them to be enabled and disabled en masse.
59 */ 60 */
60 class SelectionRequired { 61 class SelectionRequired {
61 private val cache = LinkedList<JMenuItem>() 62 private val controls = HashSet<JMenuItem>()
63 /* private val parents = HashSet<Container>() */
62 64
63 fun add(item: JMenuItem): JMenuItem { 65 fun add(item: JMenuItem): JMenuItem {
64 cache.add(item) 66 controls.add(item)
67 /* var p = item.parent
68 if (p != null) {
69 parents.add(p)
70 } */
65 return item 71 return item
66 } 72 }
67 73
68 fun enable() { 74 private fun setEnabled(state: Boolean) {
69 cache.forEach { 75 controls.forEach {
70 it.setEnabled(true) 76 it.setEnabled(state)
71 } 77 }
78 /* parents.forEach {
79 it.validate()
80 } */
72 } 81 }
73 82
74 fun disable() { 83 fun enable() = setEnabled(true)
75 cache.forEach { 84
76 it.setEnabled(false) 85 fun disable() = setEnabled(false)
77 }
78 }
79 } 86 }
80 87
81 val anyRequired = SelectionRequired() 88 val anyRequired = SelectionRequired()
82 val styledRequired = SelectionRequired() 89 val styledRequired = SelectionRequired()
83 90