| 1 | |
| 2 | from wxPython.wx import * |
| 3 | |
| 4 | import string |
| 5 | |
| 6 | #--------------------------------------------------------------------------- |
| 7 | |
| 8 | class MyTreeCtrl(wxTreeCtrl): |
| 9 | def __init__(self, parent, id, pos, size, style, log): |
| 10 | wxTreeCtrl.__init__(self, parent, id, pos, size, style) |
| 11 | self.log = log |
| 12 | |
| 13 | def OnCompareItems(self, item1, item2): |
| 14 | t1 = self.GetItemText(item1) |
| 15 | t2 = self.GetItemText(item2) |
| 16 | self.log.WriteText('compare: ' + t1 + ' <> ' + t2 + '\n') |
| 17 | if t1 < t2: return -1 |
| 18 | if t1 == t2: return 0 |
| 19 | return 1 |
| 20 | |
| 21 | #--------------------------------------------------------------------------- |
| 22 | |
| 23 | class TestTreeCtrlPanel(wxPanel): |
| 24 | def __init__(self, parent, log): |
| 25 | # Use the WANTS_CHARS style so the panel doesn't eat the Return key. |
| 26 | wxPanel.__init__(self, parent, -1, style=wxWANTS_CHARS) |
| 27 | EVT_SIZE(self, self.OnSize) |
| 28 | |
| 29 | self.log = log |
| 30 | tID = NewId() |
| 31 | |
| 32 | self.tree = MyTreeCtrl(self, tID, wxDefaultPosition, wxDefaultSize, |
| 33 | wxTR_HAS_BUTTONS | wxTR_EDIT_LABELS# | wxTR_MULTIPLE |
| 34 | , self.log) |
| 35 | |
| 36 | |
| 37 | ##import images |
| 38 | ##il = wxImageList(16, 16) |
| 39 | ##idx1 = il.Add(images.getSmilesBitmap()) |
| 40 | ##idx2 = il.Add(images.getOpenBitmap()) |
| 41 | ##idx3 = il.Add(images.getNewBitmap()) |
| 42 | ##idx4 = il.Add(images.getCopyBitmap()) |
| 43 | ##idx5 = il.Add(images.getPasteBitmap()) |
| 44 | |
| 45 | ##self.tree.SetImageList(il) |
| 46 | ##self.il = il |
| 47 | |
| 48 | # NOTE: For some reason tree items have to have a data object in |
| 49 | # order to be sorted. Since our compare just uses the labels |
| 50 | # we don't need any real data, so we'll just use None. |
| 51 | |
| 52 | self.root = self.tree.AddRoot("The Root Item") |
| 53 | self.tree.SetPyData(self.root, None) |
| 54 | ##self.tree.SetItemImage(self.root, idx1) |
| 55 | |
| 56 | for x in range(15): |
| 57 | child = self.tree.AppendItem(self.root, "Item %d" % x) |
| 58 | self.tree.SetPyData(child, None) |
| 59 | ##self.tree.SetItemImage(child, idx2, wxTreeItemIcon_Expanded) |
| 60 | ##self.tree.SetItemSelectedImage(child, idx3) |
| 61 | for y in range(5): |
| 62 | last = self.tree.AppendItem(child, "item %d-%s" % (x, chr(ord("a")+y))) |
| 63 | self.tree.SetPyData(last, None) |
| 64 | ##self.tree.SetItemImage(last, idx4) |
| 65 | ##self.tree.SetItemSelectedImage(last, idx5) |
| 66 | for z in range(5): |
| 67 | item = self.tree.AppendItem(last, "item %d-%s-%d" % (x, chr(ord("a")+y), z)) |
| 68 | self.tree.SetPyData(item, None) |
| 69 | |
| 70 | self.tree.Expand(self.root) |
| 71 | EVT_TREE_ITEM_EXPANDED (self, tID, self.OnItemExpanded) |
| 72 | EVT_TREE_ITEM_COLLAPSED (self, tID, self.OnItemCollapsed) |
| 73 | EVT_TREE_SEL_CHANGED (self, tID, self.OnSelChanged) |
| 74 | EVT_TREE_BEGIN_LABEL_EDIT(self, tID, self.OnBeginEdit) |
| 75 | EVT_TREE_END_LABEL_EDIT (self, tID, self.OnEndEdit) |
| 76 | EVT_TREE_ITEM_ACTIVATED (self, tID, self.OnActivate) |
| 77 | |
| 78 | EVT_LEFT_DCLICK(self.tree, self.OnLeftDClick) |
| 79 | EVT_RIGHT_DOWN(self.tree, self.OnRightClick) |
| 80 | EVT_RIGHT_UP(self.tree, self.OnRightUp) |
| 81 | |
| 82 | |
| 83 | def OnRightClick(self, event): |
| 84 | pt = event.GetPosition(); |
| 85 | item, flags = self.tree.HitTest(pt) |
| 86 | self.log.WriteText("OnRightClick: %s, %s, %s\n" % |
| 87 | (self.tree.GetItemText(item), type(item), item.__class__)) |
| 88 | self.tree.SelectItem(item) |
| 89 | |
| 90 | |
| 91 | |
| 92 | def OnRightUp(self, event): |
| 93 | pt = event.GetPosition(); |
| 94 | item, flags = self.tree.HitTest(pt) |
| 95 | self.log.WriteText("OnRightUp: %s (manually starting label edit)\n" |
| 96 | % self.tree.GetItemText(item)) |
| 97 | self.tree.EditLabel(item) |
| 98 | |
| 99 | |
| 100 | |
| 101 | def OnBeginEdit(self, event): |
| 102 | self.log.WriteText("OnBeginEdit\n") |
| 103 | # show how to prevent edit... |
| 104 | if self.tree.GetItemText(event.GetItem()) == "The Root Item": |
| 105 | wxBell() |
| 106 | self.log.WriteText("You can't edit this one...\n") |
| 107 | event.Veto() |
| 108 | |
| 109 | def OnEndEdit(self, event): |
| 110 | self.log.WriteText("OnEndEdit\n") |
| 111 | # show how to reject edit, we'll not allow any digits |
| 112 | for x in event.GetLabel(): |
| 113 | if x in string.digits: |
| 114 | self.log.WriteText("You can't enter digits...\n") |
| 115 | event.Veto() |
| 116 | return |
| 117 | |
| 118 | |
| 119 | def OnLeftDClick(self, event): |
| 120 | pt = event.GetPosition(); |
| 121 | item, flags = self.tree.HitTest(pt) |
| 122 | self.log.WriteText("OnLeftDClick: %s\n" % self.tree.GetItemText(item)) |
| 123 | parent = self.tree.GetItemParent(item) |
| 124 | self.tree.SortChildren(parent) |
| 125 | event.Skip() |
| 126 | |
| 127 | |
| 128 | def OnSize(self, event): |
| 129 | w,h = self.GetClientSizeTuple() |
| 130 | self.tree.SetDimensions(0, 0, w, h) |
| 131 | |
| 132 | |
| 133 | def OnItemExpanded(self, event): |
| 134 | item = event.GetItem() |
| 135 | self.log.WriteText("OnItemExpanded: %s\n" % self.tree.GetItemText(item)) |
| 136 | |
| 137 | def OnItemCollapsed(self, event): |
| 138 | item = event.GetItem() |
| 139 | self.log.WriteText("OnItemCollapsed: %s\n" % self.tree.GetItemText(item)) |
| 140 | |
| 141 | def OnSelChanged(self, event): |
| 142 | self.item = event.GetItem() |
| 143 | self.log.WriteText("OnSelChanged: %s\n" % self.tree.GetItemText(self.item)) |
| 144 | if wxPlatform == '__WXMSW__': |
| 145 | self.log.WriteText("BoundingRect: %s\n" % |
| 146 | self.tree.GetBoundingRect(self.item, true)) |
| 147 | #items = self.tree.GetSelections() |
| 148 | #print map(self.tree.GetItemText, items) |
| 149 | event.Skip() |
| 150 | |
| 151 | |
| 152 | def OnActivate(self, evt): |
| 153 | self.log.WriteText("OnActivate: %s\n" % self.tree.GetItemText(self.item)) |
| 154 | |
| 155 | |
| 156 | #--------------------------------------------------------------------------- |
| 157 | |
| 158 | def runTest(frame, nb, log): |
| 159 | win = TestTreeCtrlPanel(nb, log) |
| 160 | return win |
| 161 | |
| 162 | #--------------------------------------------------------------------------- |
| 163 | |
| 164 | |
| 165 | |
| 166 | |
| 167 | |
| 168 | |
| 169 | |
| 170 | |
| 171 | |
| 172 | |
| 173 | |
| 174 | |
| 175 | |
| 176 | overview = """\ |
| 177 | A tree control presents information as a hierarchy, with items that may be expanded to show further items. Items in a tree control are referenced by wxTreeItemId handles. |
| 178 | |
| 179 | """ |