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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "views/controls/table/table_view2.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "ui/base/models/table_model.h" | |
9 #include "views/controls/native/native_view_host.h" | |
10 #include "views/controls/table/table_view_observer.h" | |
11 | |
12 namespace views { | |
13 | |
14 TableView2::TableView2(ui::TableModel* model, | |
15 const std::vector<ui::TableColumn>& columns, | |
16 TableTypes table_type, | |
17 int options) | |
18 : model_(model), | |
19 table_type_(table_type), | |
20 table_view_observer_(NULL), | |
21 visible_columns_(), | |
22 all_columns_(), | |
23 column_count_(static_cast<int>(columns.size())), | |
24 single_selection_((options & SINGLE_SELECTION) != 0), | |
25 resizable_columns_((options & RESIZABLE_COLUMNS) != 0), | |
26 autosize_columns_((options & AUTOSIZE_COLUMNS) != 0), | |
27 horizontal_lines_((options & HORIZONTAL_LINES) != 0), | |
28 vertical_lines_((options & VERTICAL_LINES) != 0), | |
29 native_wrapper_(NULL) { | |
30 Init(columns); | |
31 } | |
32 | |
33 TableView2::~TableView2() { | |
34 if (model_) | |
35 model_->SetObserver(NULL); | |
36 } | |
37 | |
38 void TableView2::SetModel(ui::TableModel* model) { | |
39 if (model == model_) | |
40 return; | |
41 | |
42 if (model_) | |
43 model_->SetObserver(NULL); | |
44 model_ = model; | |
45 if (model_) | |
46 model_->SetObserver(this); | |
47 if (native_wrapper_) | |
48 OnModelChanged(); | |
49 } | |
50 | |
51 int TableView2::GetRowCount() { | |
52 if (!native_wrapper_) | |
53 return 0; | |
54 return native_wrapper_->GetRowCount(); | |
55 } | |
56 | |
57 int TableView2::SelectedRowCount() { | |
58 if (!native_wrapper_) | |
59 return 0; | |
60 return native_wrapper_->GetSelectedRowCount(); | |
61 } | |
62 | |
63 void TableView2::ClearSelection() { | |
64 if (native_wrapper_) | |
65 native_wrapper_->ClearSelection(); | |
66 } | |
67 | |
68 void TableView2::ClearRowFocus() { | |
69 if (native_wrapper_) | |
70 native_wrapper_->ClearRowFocus(); | |
71 } | |
72 | |
73 int TableView2::GetFirstSelectedRow() { | |
74 if (!native_wrapper_) | |
75 return -1; | |
76 return native_wrapper_->GetFirstSelectedRow(); | |
77 } | |
78 | |
79 int TableView2::GetFirstFocusedRow() { | |
80 if (!native_wrapper_) | |
81 return -1; | |
82 return native_wrapper_->GetFirstFocusedRow(); | |
83 } | |
84 | |
85 void TableView2::SelectRow(int model_row) { | |
86 if (!native_wrapper_) | |
87 return; | |
88 | |
89 native_wrapper_->ClearSelection(); | |
90 native_wrapper_->SetSelectedState(model_row, true); | |
91 if (table_view_observer_) | |
92 table_view_observer_->OnSelectionChanged(); | |
93 } | |
94 | |
95 void TableView2::FocusRow(int model_row) { | |
96 if (!native_wrapper_) | |
97 return; | |
98 | |
99 native_wrapper_->SetFocusState(model_row, true); | |
100 } | |
101 | |
102 bool TableView2::IsRowSelected(int model_row) { | |
103 if (!native_wrapper_) | |
104 return false; | |
105 | |
106 return native_wrapper_->IsRowSelected(model_row); | |
107 } | |
108 | |
109 bool TableView2::IsRowFocused(int model_row) { | |
110 if (!native_wrapper_) | |
111 return false; | |
112 | |
113 return native_wrapper_->IsRowFocused(model_row); | |
114 } | |
115 | |
116 void TableView2::OnModelChanged() { | |
117 if (!native_wrapper_) | |
118 return; | |
119 | |
120 int current_row_count = native_wrapper_->GetRowCount(); | |
121 if (current_row_count > 0) | |
122 OnItemsRemoved(0, current_row_count); | |
123 if (model_ && model_->RowCount()) | |
124 OnItemsAdded(0, model_->RowCount()); | |
125 } | |
126 | |
127 void TableView2::OnItemsChanged(int start, int length) { | |
128 if (!native_wrapper_) | |
129 return; | |
130 | |
131 if (length == -1) { | |
132 DCHECK_GE(start, 0); | |
133 length = model_->RowCount() - start; | |
134 } | |
135 native_wrapper_->OnRowsChanged(start, length); | |
136 } | |
137 | |
138 void TableView2::OnItemsAdded(int start, int length) { | |
139 if (!native_wrapper_) | |
140 return; | |
141 | |
142 DCHECK(start >= 0 && length >= 0 && start <= native_wrapper_->GetRowCount()); | |
143 | |
144 native_wrapper_->OnRowsAdded(start, length); | |
145 } | |
146 | |
147 void TableView2::OnItemsRemoved(int start, int length) { | |
148 if (!native_wrapper_) | |
149 return; | |
150 | |
151 DCHECK(start >= 0 && length >= 0 && | |
152 start + length <= native_wrapper_->GetRowCount()); | |
153 | |
154 native_wrapper_->OnRowsRemoved(start, length); | |
155 } | |
156 | |
157 void TableView2::AddColumn(const ui::TableColumn& col) { | |
158 DCHECK_EQ(0U, all_columns_.count(col.id)); | |
159 all_columns_[col.id] = col; | |
160 } | |
161 | |
162 void TableView2::SetColumns(const std::vector<ui::TableColumn>& columns) { | |
163 // Remove the currently visible columns. | |
164 while (!visible_columns_.empty()) | |
165 SetColumnVisibility(visible_columns_.front(), false); | |
166 | |
167 all_columns_.clear(); | |
168 for (std::vector<ui::TableColumn>::const_iterator i = columns.begin(); | |
169 i != columns.end(); ++i) { | |
170 AddColumn(*i); | |
171 } | |
172 } | |
173 | |
174 void TableView2::OnColumnsChanged() { | |
175 column_count_ = static_cast<int>(visible_columns_.size()); | |
176 ResetColumnSizes(); | |
177 } | |
178 | |
179 bool TableView2::HasColumn(int id) { | |
180 return all_columns_.count(id) > 0; | |
181 } | |
182 | |
183 void TableView2::SetColumnVisibility(int id, bool is_visible) { | |
184 bool changed = false; | |
185 for (std::vector<int>::iterator i = visible_columns_.begin(); | |
186 i != visible_columns_.end(); ++i) { | |
187 if (*i == id) { | |
188 if (is_visible) { | |
189 // It's already visible, bail out early. | |
190 return; | |
191 } else { | |
192 int index = static_cast<int>(i - visible_columns_.begin()); | |
193 // This could be called before the native list view has been created | |
194 // (in CreateNativeControl, called when the view is added to a | |
195 // Widget). In that case since the column is not in | |
196 // visible_columns_ it will not be added later on when it is created. | |
197 if (native_wrapper_) | |
198 native_wrapper_->RemoveColumn(index); | |
199 visible_columns_.erase(i); | |
200 changed = true; | |
201 break; | |
202 } | |
203 } | |
204 } | |
205 if (is_visible) { | |
206 DCHECK(native_wrapper_); | |
207 visible_columns_.push_back(id); | |
208 ui::TableColumn& column = all_columns_[id]; | |
209 native_wrapper_->InsertColumn(column, column_count_); | |
210 changed = true; | |
211 } | |
212 if (changed) | |
213 OnColumnsChanged(); | |
214 | |
215 } | |
216 | |
217 bool TableView2::IsColumnVisible(int id) const { | |
218 for (std::vector<int>::const_iterator i = visible_columns_.begin(); | |
219 i != visible_columns_.end(); ++i) | |
220 if (*i == id) { | |
221 return true; | |
222 } | |
223 return false; | |
224 } | |
225 | |
226 void TableView2::ResetColumnSizes() { | |
227 if (!native_wrapper_) | |
228 return; | |
229 | |
230 // See comment in TableColumn for what this does. | |
231 int width = this->width(); | |
232 gfx::Rect native_bounds = native_wrapper_->GetBounds(); | |
233 if (!native_bounds.IsEmpty()) { | |
234 if (native_bounds.width() > 0) { | |
235 // Prefer the bounds of the window over our bounds, which may be | |
236 // different. | |
237 width = native_bounds.width(); | |
238 } | |
239 } | |
240 | |
241 float percent = 0; | |
242 int fixed_width = 0; | |
243 int autosize_width = 0; | |
244 | |
245 for (std::vector<int>::const_iterator i = visible_columns_.begin(); | |
246 i != visible_columns_.end(); ++i) { | |
247 ui::TableColumn& col = all_columns_[*i]; | |
248 int col_index = static_cast<int>(i - visible_columns_.begin()); | |
249 if (col.width == -1) { | |
250 if (col.percent > 0) { | |
251 percent += col.percent; | |
252 } else { | |
253 autosize_width += col.min_visible_width; | |
254 } | |
255 } else { | |
256 fixed_width += native_wrapper_->GetColumnWidth(col_index); | |
257 } | |
258 } | |
259 | |
260 // Now do a pass to set the actual sizes of auto-sized and | |
261 // percent-sized columns. | |
262 int available_width = width - fixed_width - autosize_width; | |
263 for (std::vector<int>::const_iterator i = visible_columns_.begin(); | |
264 i != visible_columns_.end(); ++i) { | |
265 ui::TableColumn& col = all_columns_[*i]; | |
266 if (col.width == -1) { | |
267 int col_index = static_cast<int>(i - visible_columns_.begin()); | |
268 if (col.percent > 0) { | |
269 if (available_width > 0) { | |
270 int col_width = | |
271 static_cast<int>(available_width * (col.percent / percent)); | |
272 available_width -= col_width; | |
273 percent -= col.percent; | |
274 native_wrapper_->SetColumnWidth(col_index, col_width); | |
275 } | |
276 } else { | |
277 int col_width = col.min_visible_width; | |
278 // If no "percent" columns, the last column acts as one, if auto-sized. | |
279 if (percent == 0.f && available_width > 0 && | |
280 col_index == column_count_ - 1) { | |
281 col_width += available_width; | |
282 } | |
283 native_wrapper_->SetColumnWidth(col_index, col_width); | |
284 } | |
285 } | |
286 } | |
287 } | |
288 | |
289 void TableView2::Layout() { | |
290 if (native_wrapper_) { | |
291 native_wrapper_->GetView()->SetBounds(0, 0, width(), height()); | |
292 native_wrapper_->GetView()->Layout(); | |
293 } | |
294 } | |
295 | |
296 void TableView2::OnPaintFocusBorder(gfx::Canvas* canvas) { | |
297 if (NativeViewHost::kRenderNativeControlFocus) | |
298 View::OnPaintFocusBorder(canvas); | |
299 } | |
300 | |
301 size_t TableView2::GetVisibleColumnCount() { | |
302 return visible_columns_.size(); | |
303 } | |
304 | |
305 void TableView2::ViewHierarchyChanged(bool is_add, View* parent, View* child) { | |
306 if (is_add && !native_wrapper_ && GetWidget()) { | |
307 // The native wrapper's lifetime will be managed by the view hierarchy after | |
308 // we call AddChildView. | |
309 native_wrapper_ = NativeTableWrapper::CreateNativeWrapper(this); | |
310 AddChildView(native_wrapper_->GetView()); | |
311 } | |
312 } | |
313 | |
314 void TableView2::Init(const std::vector<ui::TableColumn>& columns) { | |
315 for (std::vector<ui::TableColumn>::const_iterator i = columns.begin(); | |
316 i != columns.end(); ++i) { | |
317 AddColumn(*i); | |
318 visible_columns_.push_back(i->id); | |
319 } | |
320 } | |
321 | |
322 gfx::NativeView TableView2::GetTestingHandle() { | |
323 return native_wrapper_->GetTestingHandle(); | |
324 } | |
325 | |
326 ui::TableColumn TableView2::GetVisibleColumnAt(int index) { | |
327 DCHECK(index < static_cast<int>(visible_columns_.size())); | |
328 std::map<int, ui::TableColumn>::iterator iter = | |
329 all_columns_.find(index); | |
330 DCHECK(iter != all_columns_.end()); | |
331 return iter->second; | |
332 } | |
333 | |
334 } // namespace views | |
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