A datastore of images for display by a screen. Provides an ordered list of images (no dirs) from a directory subtree. Default ordering is a depth-first traversal of the tree. More...
#include <galleryviews.h>
Inheritance diagram for TreeView:
Collaboration diagram for TreeView:
Public Member Functions | |
| TreeView (SlideOrderType order) | |
| bool | LoadFromDb (int parentId) override |
| Populate view from database as images of a directory sub-tree. Default order of a tree is depth-first traversal. More... | |
 Public Member Functions inherited from FlatView | |
| FlatView (SlideOrderType order) | |
| virtual | ~FlatView () |
| int | GetParentId () const |
| ImageListK | GetAllNodes () const |
| Get all images/dirs in view. More... | |
| ImagePtrK | GetSelected () const |
| Get current selection. More... | |
| ImagePtrK | HasNext (int inc) const |
| Peeks at next image in view but does not advance iterator. More... | |
| ImagePtrK | HasPrev (int inc) const |
| Peeks at previous image in view but does not decrement iterator. More... | |
| ImagePtrK | Next (int inc) |
| Advance iterator and return next image, wrapping if necessary. Regenerates unordered views on wrap. More... | |
| ImagePtrK | Prev (int inc) |
| Decrements iterator and returns previous image. Wraps at start. More... | |
| QString | GetPosition () const |
| Get positional status. More... | |
| bool | Select (int id, int fallback=0) |
| Selects first occurrence of an image. More... | |
| QStringList | ClearImage (int id, bool remove=false) |
| Clear file from UI cache and optionally from view. More... | |
| void | ClearCache () |
| Clears UI cache. More... | |
| bool | Update (int id) |
| Updates view with images that have been updated. More... | |
| void | Rotate (int id) |
| Rotate view so that starting image is at front. More... | |
| void | Clear (bool resetParent=true) |
| Reset view. More... | |
| QString | GetCachedThumbUrl (int id) const |
Additional Inherited Members | |
| Protected Member Functions inherited from FlatView | |
| void | Populate (ImageList &files) |
| Fills view with Db images, re-ordering them as required. More... | |
| void | Cache (int id, int parent, const QString &url, const QString &thumb) |
| Cache image properties to optimize UI. More... | |
| Static Protected Member Functions inherited from FlatView | |
| static WeightList | CalculateSeasonalWeights (ImageList &files) |
| This method calculates a weight for the item based on how closely it was taken to the current time of year. This means that New Year's pictures will be displayed very frequently on every New Year's, and that anniversary pictures will be favored again every anniversary. The weights are chosen using a beta distribution with a tunable shape parameter. More... | |
| Protected Attributes inherited from FlatView | |
| int | m_parentId {-1} |
| SlideOrderType | m_order {kOrdered} |
| ImageManagerFe & | m_mgr |
| QHash< int, ImagePtrK > | m_images |
| Image objects currently displayed. More... | |
| ImageIdList | m_sequence |
| The sequence in which to display images. More... | |
| int | m_active {0} |
| Sequence index of current selected image. More... | |
| QHash< int, FileCacheEntry > | m_fileCache |
| Caches displayed image files. More... | |
Detailed Description
A datastore of images for display by a screen. Provides an ordered list of images (no dirs) from a directory subtree. Default ordering is a depth-first traversal of the tree.
Definition at line 214 of file galleryviews.h.
Constructor & Destructor Documentation
◆ TreeView()
|
inlineexplicit |
Definition at line 217 of file galleryviews.h.
Member Function Documentation
◆ LoadFromDb()
|
overridevirtual |
Populate view from database as images of a directory sub-tree. Default order of a tree is depth-first traversal.
- Parameters
-
parentId The dir id, if valid. Otherwise the view is refreshed using the existing parent dir
- Returns
- bool True if resulting view is not empty
Reimplemented from FlatView.
Definition at line 938 of file galleryviews.cpp.
The documentation for this class was generated from the following files:
