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1
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define var hTree as handle.
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2
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define var hNode as handle.
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3
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define var hNode1 as handle.
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4
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define var hNode2 as handle.
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5
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define var hTemp as handle.
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6
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define var chKey as character.
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7
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define var i as integer.
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8
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define var j as integer.
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9
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define var k as integer.
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10
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define var img1 as integer.
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11
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define var img2 as integer.
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12
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define var img3 as integer.
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13
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define var img4 as integer.
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14
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15
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define button bAdd label "Create Node".
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16
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define button bRemove label "Remove Node".
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17
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18
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define frame f
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19
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bAdd at column 1 row 22
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20
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bRemove at column 20 row 22
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21
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with size 80 by 25 title "TreeList Demo".
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22
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23
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create treelist hTree assign
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24
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frame = frame f:handle
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25
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width = 60
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26
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height = 20
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27
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expand-on-enter = true
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28
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.
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29
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30
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hTree:show-header = true.
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31
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hTree:create-column("Column 1", 0, 100, 3, rgb-value(255, 255, 255), rgb-value(0, 0, 0)).
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32
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hTree:create-column("Column 2", 0, 100, 3, rgb-value(255, 255, 255), rgb-value(0, 0, 0)).
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33
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34
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default-window:width = 101.
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35
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default-window:height = 30.
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36
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37
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enable all with frame f.
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38
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39
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img1 = hTree:create-image("treeview-sample-icon1.png").
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40
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img2 = hTree:create-image("treeview-sample-icon2.png").
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41
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img3 = hTree:create-image("treeview-sample-icon3.png").
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42
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img4 = hTree:create-image("treeview-sample-icon4.png").
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43
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44
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do i = 1 to 5:
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45
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chKey = "Node " + string(i).
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46
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hNode = hTree:nodes:add-last-node(chKey, chKey).
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47
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hNode:node-icon = img1.
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48
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hNode:expand-node-icon = img1.
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49
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do j = 1 to 5:
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50
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chKey = "Node " + string(i) + "." + string(j).
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51
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hNode1 = hNode:nodes:add-last-node(chKey, chKey).
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52
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hNode1:node-icon = img2.
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53
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hNode1:expand-node-icon = img2.
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54
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55
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do k = 1 to 5:
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56
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chKey = "Node " + string(i) + "." + string(j) + "." + string(k).
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57
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hNode2 = hNode1:nodes:add-last-node(chKey, chKey).
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58
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hNode2:node-icon = img4.
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59
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hNode2:expand-node-icon = img4.
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60
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end.
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61
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end.
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62
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end.
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63
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64
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on value-changed of hTree do:
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65
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message "Previously selected node:" hTree:trigger-node:node-key "selected node:" hTree:selected-node:node-key.
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66
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end.
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67
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68
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on default-action of hTree do:
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69
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message "Default action on node:" hTree:trigger-node:node-key.
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70
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end.
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71
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72
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on node-expanding of hTree do:
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73
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message "Expanding node:" hTree:trigger-node:node-key.
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74
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end.
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75
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76
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on node-expanded of hTree do:
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77
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message "Expanded node:" hTree:trigger-node:node-key.
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78
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end.
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79
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80
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on node-collapsing of hTree do:
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81
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message "Collapsing node:" hTree:trigger-node:node-key.
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82
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end.
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83
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84
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on node-collapsed of hTree do:
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85
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message "Collapsed node:" hTree:trigger-node:node-key.
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86
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end.
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87
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88
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on left-mouse-click of hTree do :
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89
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90
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DEF VAR xPos AS DECIMAL.
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91
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DEF VAR yPos AS DECIMAL.
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92
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DEF VAR pnt AS INTEGER EXTENT 2.
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93
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DEF VAR nodeKey AS CHARACTER.
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94
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95
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pnt = hTree:GET-MOUSE-POSITION().
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96
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97
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MESSAGE "hTree:GET-MOUSE-POSITION() = (" pnt[1] ", " pnt[2] ")".
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98
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99
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Assign
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100
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xPos = pnt[1]
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101
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yPos = pnt[2].
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102
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103
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nodeKey = hTree:Get-Node-At(xPos, yPos).
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104
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105
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MESSAGE "NodeKey = " nodeKey.
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106
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107
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end.
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108
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109
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on choose of bAdd do:
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110
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def var chKey as char.
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111
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def var iNodeId as int.
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112
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def var newNodeId as int.
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113
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114
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message "Enter node label" set chKey.
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115
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if chKey = ? then return.
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116
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if length(trim(chKey)) = 0 then return.
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117
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118
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hNode = hTree:selected-node.
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119
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120
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if hNode <> ? then iNodeId = hNode:node-id.
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121
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hTree:create-sub-node(iNodeId, chKey, chKey, true, img3, img3, "Tooltip sample", newNodeId).
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122
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//hTree:create-sub-node(iNodeId, chKey, chKey, true, img3, img3, newNodeId).
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123
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end.
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124
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125
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on choose of bRemove do:
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126
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hNode = hTree:selected-node.
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127
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if hNode <> ? then
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128
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hTree:remove-node(hNode:node-id).
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129
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end.
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130
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131
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on x anywhere do:
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132
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hTree:expand-node(1).
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133
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end.
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134
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135
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on y anywhere do:
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136
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hTree:collapse-node(1).
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137
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end.
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138
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139
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wait-for close of this-procedure.
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