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) 2001-2003,2005,2006 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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_TREE_ITEM_ACTIVATED(-1, AvenTreeCtrl::OnItemActivated) |
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37 | EVT_CHAR(AvenTreeCtrl::OnKeyPress) |
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38 | END_EVENT_TABLE() |
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39 | |
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40 | AvenTreeCtrl::AvenTreeCtrl(MainFrm* parent, wxWindow* window_parent) : |
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41 | wxTreeCtrl(window_parent, -1), |
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42 | m_Parent(parent), |
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43 | m_Enabled(false), |
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44 | m_LastItem(), |
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45 | m_BackgroundColour(), |
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46 | m_SelValid(false) |
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47 | { |
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48 | } |
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49 | |
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50 | #define TREE_MASK (wxTREE_HITTEST_ONITEMLABEL | wxTREE_HITTEST_ONITEMRIGHT) |
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51 | |
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52 | void AvenTreeCtrl::OnMouseMove(wxMouseEvent& event) |
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53 | { |
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54 | if (m_Enabled) { |
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55 | int flags; |
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56 | wxTreeItemId pos = HitTest(event.GetPosition(), flags); |
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57 | if (!(flags & TREE_MASK)) { |
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58 | pos = wxTreeItemId(); |
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59 | } |
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60 | if (pos == m_LastItem) return; |
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61 | if (pos.IsOk()) { |
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62 | m_Parent->DisplayTreeInfo(GetItemData(pos)); |
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63 | } else { |
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64 | m_Parent->DisplayTreeInfo(NULL); |
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65 | } |
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66 | } |
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67 | } |
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68 | |
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69 | void AvenTreeCtrl::SetHere(wxTreeItemId pos) |
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70 | { |
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71 | if (pos == m_LastItem) return; |
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72 | |
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73 | if (m_LastItem.IsOk()) { |
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74 | SetItemBackgroundColour(m_LastItem, m_BackgroundColour); |
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75 | } |
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76 | if (pos.IsOk()) { |
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77 | m_BackgroundColour = GetItemBackgroundColour(pos); |
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78 | SetItemBackgroundColour(pos, wxColour(180, 180, 180)); |
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79 | } |
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80 | m_LastItem = pos; |
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81 | } |
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82 | |
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83 | void AvenTreeCtrl::OnLeaveWindow(wxMouseEvent&) |
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84 | { |
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85 | if (m_LastItem.IsOk()) { |
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86 | SetItemBackgroundColour(m_LastItem, m_BackgroundColour); |
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87 | m_LastItem = wxTreeItemId(); |
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88 | } |
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89 | m_Parent->DisplayTreeInfo(NULL); |
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90 | } |
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91 | |
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92 | void AvenTreeCtrl::SetEnabled(bool enabled) |
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93 | { |
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94 | m_Enabled = enabled; |
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95 | } |
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96 | |
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97 | void AvenTreeCtrl::OnSelChanged(wxTreeEvent& e) |
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98 | { |
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99 | if (m_Enabled) { |
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100 | m_Parent->TreeItemSelected(GetItemData(e.GetItem()), false); |
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101 | } |
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102 | |
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103 | m_SelValid = true; |
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104 | } |
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105 | |
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106 | void AvenTreeCtrl::OnItemActivated(wxTreeEvent& e) |
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107 | { |
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108 | if (m_Enabled) { |
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109 | m_Parent->TreeItemSelected(GetItemData(e.GetItem()), true); |
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110 | } |
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111 | } |
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112 | |
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113 | bool AvenTreeCtrl::GetSelectionData(wxTreeItemData** data) const |
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114 | { |
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115 | assert(m_Enabled); |
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116 | assert(data); |
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117 | |
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118 | if (!m_SelValid) { |
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119 | return false; |
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120 | } |
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121 | |
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122 | wxTreeItemId id = GetSelection(); |
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123 | if (id.IsOk()) { |
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124 | *data = GetItemData(id); |
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125 | } |
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126 | |
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127 | return id.IsOk() && *data; |
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128 | } |
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129 | |
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130 | void AvenTreeCtrl::UnselectAll() |
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131 | { |
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132 | m_SelValid = false; |
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133 | wxTreeCtrl::UnselectAll(); |
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134 | } |
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135 | |
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136 | void AvenTreeCtrl::DeleteAllItems() |
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137 | { |
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138 | m_Enabled = false; |
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139 | m_LastItem = wxTreeItemId(); |
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140 | m_SelValid = false; |
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141 | wxTreeCtrl::DeleteAllItems(); |
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142 | } |
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143 | |
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144 | void AvenTreeCtrl::OnKeyPress(wxKeyEvent &e) |
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145 | { |
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146 | switch (e.m_keyCode) { |
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147 | case WXK_ESCAPE: |
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148 | m_Parent->ClearTreeSelection(); |
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149 | break; |
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150 | case WXK_RETURN: { |
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151 | wxTreeItemId id = GetSelection(); |
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152 | if (id.IsOk()) { |
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153 | if (ItemHasChildren(id)) { |
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154 | // If on a branch, expand/contract it. |
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155 | if (IsExpanded(id)) { |
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156 | Collapse(id); |
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157 | } else { |
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158 | Expand(id); |
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159 | } |
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160 | } else { |
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161 | // FIXME if on a station, show information on that station |
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162 | // or something? |
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163 | } |
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164 | } |
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165 | break; |
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166 | } |
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167 | case WXK_LEFT: case WXK_RIGHT: case WXK_UP: case WXK_DOWN: |
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168 | case WXK_HOME: case WXK_END: case WXK_PAGEUP: case WXK_PAGEDOWN: |
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169 | // On wx 2.6 and earlier, PRIOR/NEXT seem to actually be |
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170 | // PAGEUP/PAGEDOWN (on wxGtk at least). In wx 2.7 and later |
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171 | // they're just compatibility aliases, so either they have the |
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172 | // same value or aren't defined - either way the code won't |
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173 | // compile. |
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174 | #if !wxCHECK_VERSION(2,7,0) |
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175 | case WXK_PRIOR: case WXK_NEXT: |
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176 | #endif |
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177 | e.Skip(); |
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178 | break; |
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179 | default: |
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180 | // Pass key event to MainFrm which will pass to GfxCore which will |
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181 | // pass to GUIControl. |
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182 | m_Parent->OnKeyPress(e); |
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183 | break; |
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184 | } |
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185 | } |
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