18
|
1 |
/*
|
|
2 |
* Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies).
|
|
3 |
* All rights reserved.
|
|
4 |
* This component and the accompanying materials are made available
|
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
6 |
* which accompanies this distribution, and is available
|
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
8 |
*
|
|
9 |
* Initial Contributors:
|
|
10 |
* Nokia Corporation - initial contribution.
|
|
11 |
*
|
|
12 |
* Contributors:
|
|
13 |
*
|
|
14 |
* Description: Implements the CLandmarksCategoriesContainer class
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
|
|
19 |
|
|
20 |
#include <aknsfld.h>
|
|
21 |
#include <AknQueryDialog.h>
|
|
22 |
#include <eikclbd.h>
|
|
23 |
#include <eikmenub.h>
|
|
24 |
|
|
25 |
#include <EPos_CPosLandmarkCategory.h>
|
|
26 |
|
|
27 |
#include <lmrefapp.rsg>
|
|
28 |
#include "LandmarksCategoriesContainer.h"
|
|
29 |
#include "LandmarksCommonData.h"
|
|
30 |
#include "LandmarksListbox.h"
|
|
31 |
#include "LandmarksListBoxModel.h"
|
|
32 |
#include "LandmarksApplicationEngine.h"
|
|
33 |
#include "LandmarksCategoriesModel.h"
|
|
34 |
|
|
35 |
// ============================= LOCAL FUNCTIONS ===============================
|
|
36 |
|
|
37 |
// -----------------------------------------------------------------------------
|
|
38 |
// ResetAndDestroyCategories
|
|
39 |
// Resets and destroys an array of categories. This function is used as a
|
|
40 |
// TCleanupOperation in CLandmarksCategoriesModel.
|
|
41 |
// Params: aAny: The categories array to reset ands destroy
|
|
42 |
// -----------------------------------------------------------------------------
|
|
43 |
//
|
|
44 |
void ResetAndDestroyCategories(TAny* aAny)
|
|
45 |
{
|
|
46 |
CArrayPtr<CPosLandmarkCategory>* categories =
|
|
47 |
reinterpret_cast <CArrayPtr<CPosLandmarkCategory>*> (aAny);
|
|
48 |
categories->ResetAndDestroy();
|
|
49 |
}
|
|
50 |
|
|
51 |
// ============================ MEMBER FUNCTIONS ===============================
|
|
52 |
|
|
53 |
// -----------------------------------------------------------------------------
|
|
54 |
// -----------------------------------------------------------------------------
|
|
55 |
//
|
|
56 |
CLandmarksCategoriesContainer::CLandmarksCategoriesContainer(
|
|
57 |
CAknView& aView,
|
|
58 |
CLandmarksApplicationEngine& aEngine,
|
|
59 |
CEikMenuBar& aMenuBar)
|
|
60 |
: CLandmarksContainerBase(aView, aEngine),
|
|
61 |
iMenuBar(aMenuBar)
|
|
62 |
{
|
|
63 |
}
|
|
64 |
|
|
65 |
// -----------------------------------------------------------------------------
|
|
66 |
// -----------------------------------------------------------------------------
|
|
67 |
//
|
|
68 |
void CLandmarksCategoriesContainer::ConstructL(
|
|
69 |
const TRect& aRect)
|
|
70 |
{
|
|
71 |
// Create listbox and findbox.
|
|
72 |
CLandmarksContainerBase::ConstructL(aRect);
|
|
73 |
|
|
74 |
// Start observer db events.
|
|
75 |
iEngine.AddDbObserverL(this);
|
|
76 |
|
|
77 |
// Create data model.
|
|
78 |
iModel = CLandmarksCategoriesModel::NewL();
|
|
79 |
|
|
80 |
// Create a descriptor array that will contain the landmark names and
|
|
81 |
// icon indeces.
|
|
82 |
CLandmarksListBoxModel* listBoxModel = iListBox->Model();
|
|
83 |
listBoxModel->SetItemTextArray(iModel->ItemList());
|
|
84 |
listBoxModel->SetOwnershipType(ELbmDoesNotOwnItemArray);
|
|
85 |
|
|
86 |
// Create an icon array the will be displayed in the listbox.
|
|
87 |
|
|
88 |
CIconList* icons = iModel->CreateIconListL();
|
|
89 |
iListBox->ItemDrawer()->ColumnData()->SetIconArray(icons);
|
|
90 |
|
|
91 |
// Observe listbox for state changes.
|
|
92 |
iListBox->SetObserver(this);
|
|
93 |
|
|
94 |
// Observe findbox for state changes.
|
|
95 |
iFindBox->SetObserver(this);
|
|
96 |
|
|
97 |
// Populate listbox with categories and icons.
|
|
98 |
StartUpdateListBoxL();
|
|
99 |
}
|
|
100 |
|
|
101 |
// -----------------------------------------------------------------------------
|
|
102 |
// -----------------------------------------------------------------------------
|
|
103 |
//
|
|
104 |
CLandmarksCategoriesContainer::~CLandmarksCategoriesContainer()
|
|
105 |
{
|
|
106 |
delete iModel;
|
|
107 |
}
|
|
108 |
|
|
109 |
// -----------------------------------------------------------------------------
|
|
110 |
// -----------------------------------------------------------------------------
|
|
111 |
//
|
|
112 |
void CLandmarksCategoriesContainer::DeleteCategoryL()
|
|
113 |
{
|
|
114 |
// Format query.
|
|
115 |
HBufC* queryFormat =
|
|
116 |
iCoeEnv->AllocReadResourceAsDes16LC(R_LMREFAPP_DELETE_CATEGORY);
|
|
117 |
|
|
118 |
CPosLandmarkCategory* category = iEngine.CategoryLC(CurrentCategoryId());
|
|
119 |
TPtrC name;
|
|
120 |
category->GetCategoryName(name);
|
|
121 |
|
|
122 |
HBufC* query = HBufC::NewLC(name.Length() + queryFormat->Length());
|
|
123 |
query->Des().Format(*queryFormat, &name);
|
|
124 |
|
|
125 |
// Launch dialog.
|
|
126 |
CAknQueryDialog* queryDialog = CAknQueryDialog::NewL();
|
|
127 |
if (queryDialog->ExecuteLD(R_LMREFAPP_GENERAL_QUERY, *query))
|
|
128 |
{
|
|
129 |
// Delete category if positive response.
|
|
130 |
iEngine.DeleteCategoryL(category->CategoryId());
|
|
131 |
}
|
|
132 |
CleanupStack::PopAndDestroy(3, queryFormat);
|
|
133 |
}
|
|
134 |
|
|
135 |
// -----------------------------------------------------------------------------
|
|
136 |
// -----------------------------------------------------------------------------
|
|
137 |
//
|
|
138 |
TPosLmItemId CLandmarksCategoriesContainer::CurrentCategoryId()
|
|
139 |
{
|
|
140 |
return iModel->CurrentItemId();
|
|
141 |
}
|
|
142 |
|
|
143 |
// -----------------------------------------------------------------------------
|
|
144 |
// -----------------------------------------------------------------------------
|
|
145 |
//
|
|
146 |
TBool CLandmarksCategoriesContainer::IsGlobalL()
|
|
147 |
{
|
|
148 |
CPosLandmarkCategory* category = iEngine.CategoryLC(CurrentCategoryId());
|
|
149 |
TBool isGlobal = (category->GlobalCategory() != KPosLmNullGlobalCategory);
|
|
150 |
CleanupStack::PopAndDestroy(category);
|
|
151 |
|
|
152 |
return isGlobal;
|
|
153 |
}
|
|
154 |
|
|
155 |
// -----------------------------------------------------------------------------
|
|
156 |
// -----------------------------------------------------------------------------
|
|
157 |
//
|
|
158 |
TKeyResponse CLandmarksCategoriesContainer::OfferKeyEventL(
|
|
159 |
const TKeyEvent& aKeyEvent, TEventCode aType)
|
|
160 |
{
|
|
161 |
TKeyResponse response = EKeyWasNotConsumed;
|
|
162 |
|
|
163 |
switch (aKeyEvent.iCode)
|
|
164 |
{
|
|
165 |
case EKeyUpArrow:
|
|
166 |
case EKeyDownArrow:
|
|
167 |
// Scrolling the listbox. Forward to iListBox.
|
|
168 |
response = iListBox->OfferKeyEventL(aKeyEvent, aType);
|
|
169 |
break;
|
|
170 |
|
|
171 |
case EKeyDevice3:
|
|
172 |
// Select key pressed. Display menu.
|
|
173 |
iMenuBar.SetMenuTitleResourceId(R_LMREFAPP_CATEGORIES_MENUBAR);
|
|
174 |
iMenuBar.TryDisplayMenuBarL();
|
|
175 |
response = EKeyWasConsumed;
|
|
176 |
break;
|
|
177 |
|
|
178 |
case EKeyBackspace:
|
|
179 |
if (iFindBox->TextLength() == 0 &&
|
|
180 |
IsItemSelected() &&
|
|
181 |
!IsGlobalL())
|
|
182 |
{
|
|
183 |
// If there is no text in the search field backspace will
|
|
184 |
// delete a category.
|
|
185 |
DeleteCategoryL();
|
|
186 |
response = EKeyWasConsumed;
|
|
187 |
break;
|
|
188 |
}
|
|
189 |
// erase character in find box
|
|
190 |
default:
|
|
191 |
// Forward to findbox.
|
|
192 |
response = iFindBox->OfferKeyEventL(aKeyEvent, aType);
|
|
193 |
break;
|
|
194 |
}
|
|
195 |
|
|
196 |
return response;
|
|
197 |
}
|
|
198 |
|
|
199 |
// -----------------------------------------------------------------------------
|
|
200 |
// -----------------------------------------------------------------------------
|
|
201 |
//
|
|
202 |
void CLandmarksCategoriesContainer::NotifyOperationProgressL(
|
|
203 |
TOperation aOperation,
|
|
204 |
TInt /*aProgress*/,
|
|
205 |
TInt aErrorCode)
|
|
206 |
{
|
|
207 |
switch (aOperation)
|
|
208 |
{
|
|
209 |
case ECategorySearch:
|
|
210 |
HandleSearchReadyL(aErrorCode);
|
|
211 |
break;
|
|
212 |
|
|
213 |
case ECategoryRead:
|
|
214 |
HandleReadReadyL(aErrorCode);
|
|
215 |
break;
|
|
216 |
|
|
217 |
default:
|
|
218 |
break;
|
|
219 |
}
|
|
220 |
}
|
|
221 |
|
|
222 |
// -----------------------------------------------------------------------------
|
|
223 |
// -----------------------------------------------------------------------------
|
|
224 |
//
|
|
225 |
void CLandmarksCategoriesContainer::NotifyDbEventL(
|
|
226 |
TPosLmEvent& aEvent,
|
|
227 |
TInt aErrorCode)
|
|
228 |
{
|
|
229 |
if (aErrorCode == KErrNone)
|
|
230 |
{
|
|
231 |
switch (aEvent.iEventType)
|
|
232 |
{
|
|
233 |
case EPosLmEventUnknownChanges:
|
|
234 |
case EPosLmEventLandmarkUnknownChanges:
|
|
235 |
case EPosLmEventCategoryUnknownChanges:
|
|
236 |
// Any of the events below might have cancelled an ongoing
|
|
237 |
// categories search/read operation => we must restart refreshing listbox
|
|
238 |
case EPosLmEventLandmarkCreated:
|
|
239 |
case EPosLmEventLandmarkDeleted:
|
|
240 |
case EPosLmEventLandmarkUpdated:
|
|
241 |
case EPosLmEventCategoryCreated:
|
|
242 |
case EPosLmEventCategoryDeleted:
|
|
243 |
case EPosLmEventCategoryUpdated:
|
|
244 |
StartUpdateListBoxL();
|
|
245 |
break;
|
|
246 |
case EPosLmEventNewDefaultDatabaseLocation:
|
|
247 |
// Not supported by this application
|
|
248 |
break;
|
|
249 |
case EPosLmEventMediaRemoved:
|
|
250 |
// Not supported by this application
|
|
251 |
break;
|
|
252 |
default:
|
|
253 |
// Ignore other non-category events
|
|
254 |
break;
|
|
255 |
}
|
|
256 |
}
|
|
257 |
}
|
|
258 |
|
|
259 |
// -----------------------------------------------------------------------------
|
|
260 |
// -----------------------------------------------------------------------------
|
|
261 |
//
|
|
262 |
void CLandmarksCategoriesContainer::HandleControlEventL(
|
|
263 |
CCoeControl* aControl,
|
|
264 |
TCoeEvent aEventType)
|
|
265 |
{
|
|
266 |
if (aEventType == EEventStateChanged && aControl == iListBox)
|
|
267 |
{
|
|
268 |
// Take the index of the current item in the list
|
|
269 |
TInt itemIndex = iListBox->CurrentItemIndex();
|
|
270 |
|
|
271 |
// Set the current item in the model object regarding to the list box.
|
|
272 |
iModel->SetCurrentItem(itemIndex);
|
|
273 |
}
|
|
274 |
|
|
275 |
if (aEventType == EEventStateChanged && aControl == iFindBox)
|
|
276 |
{
|
|
277 |
// Fetch filter from search field
|
|
278 |
TInt searchTextLength = iFindBox->TextLength();
|
|
279 |
HBufC* filterBuf = HBufC::NewLC(searchTextLength);
|
|
280 |
TPtr filter = filterBuf->Des();
|
|
281 |
iFindBox->GetSearchText(filter);
|
|
282 |
|
|
283 |
// If filter has changed repopulate list box. (It is necessary to check
|
|
284 |
// if filter has changed since each filter change generates several
|
|
285 |
// EEventStateChanged events for find box)
|
|
286 |
if (filter != *iOldFilter)
|
|
287 |
{
|
|
288 |
// Filter has changed. Start filtering.
|
|
289 |
StartUpdateListBoxL();
|
|
290 |
}
|
|
291 |
|
|
292 |
CleanupStack::PopAndDestroy(filterBuf);
|
|
293 |
}
|
|
294 |
}
|
|
295 |
|
|
296 |
// -----------------------------------------------------------------------------
|
|
297 |
// -----------------------------------------------------------------------------
|
|
298 |
//
|
|
299 |
void CLandmarksCategoriesContainer::StartUpdateListBoxL()
|
|
300 |
{
|
|
301 |
// Fetch filter from search field
|
|
302 |
TInt searchTextLength = iFindBox->TextLength();
|
|
303 |
const TInt KExtraChars = 2; // 2 chars wildcards
|
|
304 |
HBufC* filterBuf = HBufC::NewLC(searchTextLength + KExtraChars);
|
|
305 |
TPtr filter = filterBuf->Des();
|
|
306 |
iFindBox->GetSearchText(filter);
|
|
307 |
|
|
308 |
// Find out if there is any prevoius result to limit the search to
|
|
309 |
TInt oldFilterLength = iOldFilter->Length();
|
|
310 |
TBool searchOnlyInPreviousMatches =
|
|
311 |
// If previous filter is empty there is no search results
|
|
312 |
oldFilterLength > 0 &&
|
|
313 |
|
|
314 |
// If chars have been removed from filter we abandon previous results
|
|
315 |
filter.Length() > oldFilterLength &&
|
|
316 |
|
|
317 |
// There must exist at least one previous match
|
|
318 |
IsItemSelected();
|
|
319 |
|
|
320 |
// old filter used - now we can update it
|
|
321 |
delete iOldFilter;
|
|
322 |
iOldFilter = NULL;
|
|
323 |
iOldFilter = filter.AllocL();
|
|
324 |
|
|
325 |
// Start to asynchronously populate the listbox model according to filter
|
|
326 |
if (filter.Length() == 0)
|
|
327 |
{
|
|
328 |
iEngine.StartSearchingCategoriesL(this);
|
|
329 |
}
|
|
330 |
else
|
|
331 |
{
|
|
332 |
filter.Append(KWildCard);
|
|
333 |
iEngine.StartSearchingCategoriesL(
|
|
334 |
filter,
|
|
335 |
searchOnlyInPreviousMatches,
|
|
336 |
this);
|
|
337 |
}
|
|
338 |
|
|
339 |
CleanupStack::PopAndDestroy(filterBuf);
|
|
340 |
}
|
|
341 |
|
|
342 |
// -----------------------------------------------------------------------------
|
|
343 |
// -----------------------------------------------------------------------------
|
|
344 |
//
|
|
345 |
void CLandmarksCategoriesContainer::HandleSearchReadyL(TInt aErrorCode)
|
|
346 |
{
|
|
347 |
|
|
348 |
// Delete old icon array and add new
|
|
349 |
CColumnListBoxData* columnData = iListBox->ItemDrawer()->ColumnData();
|
|
350 |
CArrayPtr<CGulIcon>* iconList = columnData->IconArray();
|
|
351 |
iconList->ResetAndDestroy();
|
|
352 |
delete iconList;
|
|
353 |
columnData->SetIconArray(iModel->CreateIconListL());
|
|
354 |
|
|
355 |
if (aErrorCode == KErrNone)
|
|
356 |
{
|
|
357 |
// Update model
|
|
358 |
iModel->SetItemIds(iEngine.FetchCategorySearchResult());
|
|
359 |
iListBox->HandleItemRemovalL();
|
|
360 |
|
|
361 |
iEngine.StartReadingCategoriesL(KNrOfItemsDisplayed, this);
|
|
362 |
iReadingFirstPage = ETrue;
|
|
363 |
}
|
|
364 |
else if (aErrorCode == KErrNotFound)
|
|
365 |
{
|
|
366 |
// Update model (indicate no item is selected)
|
|
367 |
iModel->SetItemIds(NULL);
|
|
368 |
iModel->SetCurrentItem(iListBox->CurrentItemIndex());
|
|
369 |
|
|
370 |
// Update the listbox
|
|
371 |
iListBox->HandleItemRemovalL();
|
|
372 |
iListBox->DrawDeferred();
|
|
373 |
}
|
|
374 |
}
|
|
375 |
|
|
376 |
// -----------------------------------------------------------------------------
|
|
377 |
// -----------------------------------------------------------------------------
|
|
378 |
//
|
|
379 |
void CLandmarksCategoriesContainer::HandleReadReadyL(
|
|
380 |
TInt aErrorCode)
|
|
381 |
{
|
|
382 |
// Update model with new categories
|
|
383 |
CArrayPtr<CPosLandmarkCategory>* categories = iEngine.FetchCategoriesLC();
|
|
384 |
CleanupStack::PushL(TCleanupItem(ResetAndDestroyCategories, categories));
|
|
385 |
iModel->RepopulateModelL(categories);
|
|
386 |
CleanupStack::PopAndDestroy(2, categories);
|
|
387 |
|
|
388 |
if (aErrorCode == KErrNone)
|
|
389 |
{
|
|
390 |
if (iReadingFirstPage)
|
|
391 |
{
|
|
392 |
// First page ready
|
|
393 |
iReadingFirstPage = EFalse;
|
|
394 |
|
|
395 |
// Add the first page
|
|
396 |
iListBox->HandleItemAdditionL();
|
|
397 |
|
|
398 |
// Set the first item selected by default. We must do this since
|
|
399 |
// HandleItemRemovalL in HandleSearchReadyL resets the listbox.
|
|
400 |
iModel->SetCurrentItem(0);
|
|
401 |
iListBox->SetCurrentItemIndex(0);
|
|
402 |
}
|
|
403 |
else
|
|
404 |
{
|
|
405 |
iListBox->HandleItemAdditionL();
|
|
406 |
}
|
|
407 |
}
|
|
408 |
}
|
|
409 |
|
|
410 |
|