1 | // |
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2 | // aventreectrl.cc |
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3 | // |
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4 | // Tree control used for the survey tree. |
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5 | // |
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6 | // Copyright (C) 2001, Mark R. Shinwell. |
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7 | // Copyright (C) 2001-2003,2005,2010 Olly Betts |
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8 | // Copyright (C) 2005 Martin Green |
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9 | // |
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10 | // This program is free software; you can redistribute it and/or modify |
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11 | // it under the terms of the GNU General Public License as published by |
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12 | // the Free Software Foundation; either version 2 of the License, or |
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13 | // (at your option) any later version. |
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14 | // |
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15 | // This program is distributed in the hope that it will be useful, |
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16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | // GNU General Public License for more details. |
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19 | // |
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20 | // You should have received a copy of the GNU General Public License |
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21 | // along with this program; if not, write to the Free Software |
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22 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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23 | // |
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24 | |
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25 | #ifdef HAVE_CONFIG_H |
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26 | #include <config.h> |
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27 | #endif |
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28 | |
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29 | #include "aventreectrl.h" |
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30 | #include "mainfrm.h" |
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31 | |
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32 | BEGIN_EVENT_TABLE(AvenTreeCtrl, wxTreeCtrl) |
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33 | EVT_MOTION(AvenTreeCtrl::OnMouseMove) |
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34 | EVT_LEAVE_WINDOW(AvenTreeCtrl::OnLeaveWindow) |
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35 | EVT_TREE_SEL_CHANGED(-1, AvenTreeCtrl::OnSelChanged) |
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36 | EVT_CHAR(AvenTreeCtrl::OnKeyPress) |
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37 | END_EVENT_TABLE() |
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38 | |
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39 | AvenTreeCtrl::AvenTreeCtrl(MainFrm* parent, wxWindow* window_parent) : |
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40 | wxTreeCtrl(window_parent), |
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41 | m_Parent(parent), |
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42 | m_Enabled(false), |
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43 | m_LastItem(), |
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44 | m_BackgroundColour(GetBackgroundColour()), |
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45 | m_SelValid(false) |
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46 | { |
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47 | } |
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48 | |
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49 | #define TREE_MASK (wxTREE_HITTEST_ONITEMLABEL | wxTREE_HITTEST_ONITEMRIGHT) |
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50 | |
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51 | void AvenTreeCtrl::OnMouseMove(wxMouseEvent& event) |
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52 | { |
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53 | if (m_Enabled) { |
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54 | int flags; |
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55 | wxTreeItemId pos = HitTest(event.GetPosition(), flags); |
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56 | if (!(flags & TREE_MASK)) { |
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57 | pos = wxTreeItemId(); |
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58 | } |
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59 | if (pos != m_LastItem) { |
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60 | if (m_LastItem.IsOk()) { |
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61 | SetItemBackgroundColour(m_LastItem, m_BackgroundColour); |
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62 | } |
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63 | if (pos.IsOk()) { |
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64 | SetItemBackgroundColour(pos, wxColour(180, 180, 180)); |
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65 | m_Parent->DisplayTreeInfo(GetItemData(pos)); |
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66 | } else { |
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67 | m_Parent->DisplayTreeInfo(NULL); |
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68 | } |
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69 | m_LastItem = pos; |
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70 | } |
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71 | } |
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72 | } |
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73 | |
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74 | void AvenTreeCtrl::OnLeaveWindow(wxMouseEvent&) |
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75 | { |
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76 | if (m_LastItem.IsOk()) { |
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77 | SetItemBackgroundColour(m_LastItem, m_BackgroundColour); |
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78 | m_LastItem = wxTreeItemId(); |
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79 | } |
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80 | m_Parent->DisplayTreeInfo(NULL); |
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81 | } |
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82 | |
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83 | void AvenTreeCtrl::SetEnabled(bool enabled) |
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84 | { |
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85 | m_Enabled = enabled; |
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86 | } |
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87 | |
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88 | void AvenTreeCtrl::OnSelChanged(wxTreeEvent&) |
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89 | { |
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90 | if (m_Enabled) { |
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91 | m_Parent->TreeItemSelected(GetItemData(GetSelection())); |
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92 | } |
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93 | |
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94 | m_SelValid = true; |
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95 | } |
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96 | |
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97 | bool AvenTreeCtrl::GetSelectionData(wxTreeItemData** data) |
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98 | { |
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99 | assert(m_Enabled); |
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100 | assert(data); |
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101 | |
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102 | if (!m_SelValid) { |
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103 | return false; |
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104 | } |
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105 | |
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106 | wxTreeItemId id = GetSelection(); |
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107 | if (id.IsOk()) { |
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108 | *data = GetItemData(id); |
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109 | } |
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110 | |
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111 | return id.IsOk() && *data; |
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112 | } |
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113 | |
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114 | void AvenTreeCtrl::UnselectAll() |
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115 | { |
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116 | m_SelValid = false; |
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117 | wxTreeCtrl::UnselectAll(); |
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118 | } |
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119 | |
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120 | void AvenTreeCtrl::DeleteAllItems() |
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121 | { |
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122 | m_Enabled = false; |
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123 | m_LastItem = wxTreeItemId(); |
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124 | m_SelValid = false; |
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125 | wxTreeCtrl::DeleteAllItems(); |
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126 | } |
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127 | |
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128 | void AvenTreeCtrl::OnKeyPress(wxKeyEvent &e) |
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129 | { |
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130 | switch (e.m_keyCode) { |
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131 | case WXK_ESCAPE: |
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132 | m_Parent->ClearTreeSelection(); |
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133 | break; |
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134 | case WXK_RETURN: { |
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135 | wxTreeItemId id = GetSelection(); |
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136 | if (id.IsOk()) { |
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137 | if (ItemHasChildren(id)) { |
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138 | // If on a branch, expand/contract it. |
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139 | if (IsExpanded(id)) { |
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140 | Collapse(id); |
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141 | } else { |
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142 | Expand(id); |
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143 | } |
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144 | } else { |
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145 | // FIXME if on a station, show information on that station |
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146 | // or something? |
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147 | } |
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148 | } |
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149 | break; |
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150 | } |
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151 | case WXK_LEFT: case WXK_RIGHT: case WXK_UP: case WXK_DOWN: |
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152 | case WXK_HOME: case WXK_END: case WXK_PAGEUP: case WXK_PAGEDOWN: |
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153 | // On wx 2.6 and earlier, PRIOR/NEXT seem to actually be |
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154 | // PAGEUP/PAGEDOWN (on wxGtk at least). In wx 2.7 and later |
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155 | // they're just compatibility aliases, so either they have the |
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156 | // same value or aren't defined - either way the code won't |
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157 | // compile. |
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158 | #if !wxCHECK_VERSION(2,7,0) |
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159 | case WXK_PRIOR: case WXK_NEXT: |
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160 | #endif |
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161 | e.Skip(); |
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162 | break; |
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163 | default: |
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164 | // Pass key event to MainFrm which will pass to GfxCore which will |
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165 | // pass to GUIControl. |
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166 | m_Parent->OnKeyPress(e); |
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167 | break; |
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168 | } |
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169 | } |
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