first working version of the new search engine. TODO: add search modifiers

YACReaderLibrary/YACReaderLibrary.pro

@@ -118,7 +118,8 @@ HEADERS += comic_flow.h \
         ../common/exit_check.h \
     comics_view.h \
     classic_comics_view.h \
-    empty_folder_widget.h
+    empty_folder_widget.h \
+    no_search_results_widget.h
 
 		   
 SOURCES += comic_flow.cpp \
@@ -165,7 +166,8 @@ SOURCES += comic_flow.cpp \
 	../common/exit_check.cpp \
     comics_view.cpp \
     classic_comics_view.cpp \
-    empty_folder_widget.cpp
+    empty_folder_widget.cpp \
+    no_search_results_widget.cpp
 
 			
 		   

YACReaderLibrary/classic_comics_view.cpp

@@ -6,7 +6,7 @@
 #include "QsLog.h"
 
 ClassicComicsView::ClassicComicsView(QWidget *parent)
-    :ComicsView(parent)
+    :ComicsView(parent),searching(false)
 {
     QHBoxLayout * layout = new QHBoxLayout;
 
@@ -74,7 +74,9 @@ ClassicComicsView::ClassicComicsView(QWidget *parent)
 #endif
 
     if(settings->contains(COMICS_VIEW_FLOW_SPLITTER_STATUS))
-    sVertical->restoreState(settings->value(COMICS_VIEW_FLOW_SPLITTER_STATUS).toByteArray());
+        sVertical->restoreState(settings->value(COMICS_VIEW_FLOW_SPLITTER_STATUS).toByteArray());
+
+    setupSearchingIcon();
 }
 
 void ClassicComicsView::setToolBar(QToolBar *toolBar)
@@ -192,6 +194,29 @@ void ClassicComicsView::setViewActions(const QList<QAction *> &actions)
     comicFlow->addActions(actions);
 }
 
+void ClassicComicsView::enableFilterMode(bool enabled)
+{
+    if(enabled)
+    {
+        comicFlow->clear();
+        comicFlow->setMinimumHeight(150);
+        if(previousSplitterStatus.isEmpty())
+            previousSplitterStatus = sVertical->saveState();
+        sVertical->setSizes(QList<int> () << 150 << 10000000);
+        showSearchingIcon();
+    }else
+    {
+        searchingIcon->setHidden(true);
+        comicFlow->setMinimumHeight(0);
+
+        sVertical->restoreState(previousSplitterStatus);
+        previousSplitterStatus.clear();
+    }
+
+    //sVertical->setCollapsible(0,!enabled);
+    searching = enabled;
+}
+
 void ClassicComicsView::selectAll()
 {
     tableView->selectAll();
@@ -222,7 +247,8 @@ void ClassicComicsView::saveTableHeadersStatus()
 
 void ClassicComicsView::saveSplitterStatus()
 {
-    settings->setValue(COMICS_VIEW_FLOW_SPLITTER_STATUS, sVertical->saveState());
+    if(!searching)
+        settings->setValue(COMICS_VIEW_FLOW_SPLITTER_STATUS, sVertical->saveState());
 }
 
 void ClassicComicsView::applyModelChanges(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
@@ -250,3 +276,28 @@ void ClassicComicsView::closeEvent(QCloseEvent *event)
     ComicsView::closeEvent(event);
 }
 
+void ClassicComicsView::setupSearchingIcon()
+{
+    searchingIcon = new QWidget(comicFlow);
+
+    QPixmap p(":/images/searching_icon.png");
+    QLabel * l = new QLabel(searchingIcon);
+    l->setPixmap(p);
+
+    searchingIcon->setFixedSize(p.size());
+
+    hideSearchingIcon();
+}
+
+void ClassicComicsView::showSearchingIcon()
+{
+    searchingIcon->move((comicFlow->width()-searchingIcon->width())/2,(comicFlow->height()-searchingIcon->height())/2);
+
+    searchingIcon->setHidden(false);
+}
+
+void ClassicComicsView::hideSearchingIcon()
+{
+    searchingIcon->setHidden(true);
+}
+

YACReaderLibrary/classic_comics_view.h

@@ -28,6 +28,7 @@ public:
     void updateConfig(QSettings * settings);
     void setItemActions(const QList<QAction *> & actions);
     void setViewActions(const QList<QAction *> & actions);
+    void enableFilterMode(bool enabled);
 
 public slots:
     void centerComicFlow(const QModelIndex & mi);
@@ -47,6 +48,13 @@ private:
     ComicFlowWidget * comicFlow;
     QSettings * settings;
     void closeEvent ( QCloseEvent * event );
+
+    QByteArray previousSplitterStatus;
+    QWidget * searchingIcon;
+    bool searching;
+    void setupSearchingIcon();
+    void showSearchingIcon();
+    void hideSearchingIcon();
 };
 
 #endif // CLASSIC_COMICS_VIEW_H

YACReaderLibrary/comics_view.cpp

@@ -7,5 +7,5 @@ ComicsView::ComicsView(QWidget *parent) :
 
 void ComicsView::setModel(TableModel *m)
 {
-   model = m;
+    model = m;
 }

YACReaderLibrary/comics_view.h

@@ -32,6 +32,7 @@ public:
     virtual void setItemActions(const QList<QAction *> & actions) = 0;
     //actions for visual-oriented views
     virtual void setViewActions(const QList<QAction *> & actions) = 0;
+    virtual void enableFilterMode(bool enabled) = 0;
 
 signals:
     void selected(unsigned int);

YACReaderLibrary/db/tablemodel.cpp

@@ -346,8 +346,7 @@ void TableModel::setupModelData(const QString &filter, const QString &databasePa
     QSqlDatabase::removeDatabase(_databasePath);
     endResetModel();
 
-    if(_data.length()==0)
-        emit isEmpty();
+    emit searchNumResults(_data.length());
 }
 
 QString TableModel::getComicPath(QModelIndex mi)

YACReaderLibrary/db/tablemodel.h

@@ -116,6 +116,7 @@ signals:
 	void beforeReset();
 	void reset();
     void isEmpty();
+    void searchNumResults(int);
 };
 //! [0]
 

YACReaderLibrary/grid_comics_view.cpp

@@ -168,6 +168,11 @@ void GridComicsView::setViewActions(const QList<QAction *> &actions)
         QLOG_ERROR() << "setViewActions invoked with the wrong number of actions";
 }
 
+void GridComicsView::enableFilterMode(bool enabled)
+{
+
+}
+
 void GridComicsView::selectAll()
 {
     QLOG_INFO() << "selectAll";

YACReaderLibrary/grid_comics_view.h

@@ -28,6 +28,7 @@ public:
     void updateConfig(QSettings * settings);
     void setItemActions(const QList<QAction *> & actions);
     void setViewActions(const QList<QAction *> & actions);
+    void enableFilterMode(bool enabled);
 
     QSize sizeHint();
 signals:

YACReaderLibrary/images.qrc

@@ -110,6 +110,7 @@
                 <file>../images/shortcuts_group_page.png</file>
                 <file>../images/shortcuts_group_reading.png</file>
                 <file>../images/shortcuts_group_visualization.png</file>
+                <file>../images/searching_icon.png</file>
 		<!--<file>../images/busy_background.png</file>-->
 	</qresource>
 </RCC>

YACReaderLibrary/images_osx.qrc

@@ -20,6 +20,7 @@
     <file alias="images/flow_to_grid.gif">../images/flow_to_grid.gif</file>
     <file alias="images/grid_to_flow.gif">../images/grid_to_flow.gif</file>
     <file alias="images/empty_folder.png">../images/empty_folder.png</file>
+    <file alias="images/empty_search.png">../images/empty_search.png</file>
     <file>../images/iconSearch.png</files>
     <file>../images/clearSearch.png</file>
   </qresource>

YACReaderLibrary/images_win.qrc

@@ -19,6 +19,7 @@
         <file>../images/flow_to_grid.gif</file>
         <file>../images/grid_to_flow.gif</file>
         <file>../images/empty_folder.png</file>
+        <file>../images/empty_search.png</file>
         <file alias="images/iconSearch.png">../images/iconSearchNew.png</file>
         <file alias="images/clearSearch.png">../images/clearSearchNew.png</file>
     </qresource>

YACReaderLibrary/library_window.cpp

@@ -68,6 +68,8 @@
 #include "edit_shortcuts_dialog.h"
 #include "shortcuts_manager.h"
 
+#include "no_search_results_widget.h"
+
 #include "QsLog.h"
 
 #ifdef Q_OS_WIN
@@ -175,7 +177,7 @@ void LibraryWindow::doLayout()
 
     //FOLDERS FILTER-------------------------------------------------------------
     //---------------------------------------------------------------------------
-    foldersFilter = new YACReaderSearchLineEdit();
+    searchEdit = new YACReaderSearchLineEdit();
 
     //SIDEBAR--------------------------------------------------------------------
 	//---------------------------------------------------------------------------
@@ -214,6 +216,7 @@ void LibraryWindow::doLayout()
     comicsView->setToolBar(editInfoToolBar);
     comicsViewStack->addWidget(comicsViewTransition = new ComicsViewTransition());
     comicsViewStack->addWidget(emptyFolderWidget = new EmptyFolderWidget());
+    comicsViewStack->addWidget(noSearchResultsWidget = new NoSearchResultsWidget());
     comicsViewStack->addWidget(comicsView);
 
     comicsViewStack->setCurrentWidget(comicsView);
@@ -767,7 +770,7 @@ void LibraryWindow::createToolBars()
 	libraryToolBar->helpButton->setDefaultAction(helpAboutAction);
     libraryToolBar->toggleComicsViewButton->setDefaultAction(toggleComicsViewAction);
 	libraryToolBar->fullscreenButton->setDefaultAction(toggleFullScreenAction);
-    libraryToolBar->setSearchWidget(foldersFilter);
+    libraryToolBar->setSearchWidget(searchEdit);
 #endif
 
 	editInfoToolBar->setIconSize(QSize(18,18));
@@ -1000,7 +1003,7 @@ void LibraryWindow::createConnections()
 
 	//Folders filter
 	//connect(clearFoldersFilter,SIGNAL(clicked()),foldersFilter,SLOT(clear()));
-    connect(foldersFilter,SIGNAL(textChanged(QString)),this,SLOT(setSearchFilter(QString)));
+    connect(searchEdit,SIGNAL(textChanged(QString)),this,SLOT(setSearchFilter(QString)));
 	//connect(includeComicsCheckBox,SIGNAL(stateChanged(int)),this,SLOT(searchInFiles(int)));
 
 	//ContextMenus
@@ -1029,6 +1032,7 @@ void LibraryWindow::createConnections()
     connect(comicsViewTransition,SIGNAL(transitionFinished()),this,SLOT(showComicsView()));
 
     connect(comicsModel,SIGNAL(isEmpty()),this,SLOT(showEmptyFolderView()));
+    connect(comicsModel,SIGNAL(searchNumResults(int)),this,SLOT(checkSearchNumResults(int)));
     connect(emptyFolderWidget,SIGNAL(subfolderSelected(QModelIndex,int)),this,SLOT(selectSubfolder(QModelIndex,int)));
 
     connect(showEditShortcutsAction,SIGNAL(triggered()),editShortcutsDialog,SLOT(show()));
@@ -1107,7 +1111,7 @@ void LibraryWindow::loadLibrary(const QString & name)
 				//TODO encontrar el bug que provoca que no se carguen adecuadamente las carátulas en root.
 				setRootIndex();
 
-				foldersFilter->clear();
+                searchEdit->clear();
 			}
 			else if(comparation > 0)
 			{
@@ -1197,14 +1201,14 @@ void LibraryWindow::loadCovers(const QModelIndex & mi)
 
 
 	//cambiado de orden, ya que al llamar a foldersFilter->clear() se invalidan los model index
-	if(foldersFilter->text()!="")
+    if(searchEdit->text()!="")
 	{
 		//setFoldersFilter("");
 		if(mi.isValid())
 		{
 			index = static_cast<TreeItem *>(mi.internalPointer())->originalItem;
 			column = mi.column();
-			foldersFilter->clear();
+            searchEdit->clear();
 		}
 	}
 	else
@@ -1229,6 +1233,16 @@ void LibraryWindow::loadCovers(const QModelIndex & mi)
         emptyFolderWidget->setSubfolders(mi,foldersModel->getSubfoldersNames(mi));
 }
 
+void LibraryWindow::loadCoversFromCurrentModel()
+{
+    comicsView->setModel(comicsModel);
+    QStringList paths = comicsModel->getPaths(currentPath());
+
+    if(paths.size()>0) {
+        comicsView->setCurrentIndex(comicsModel->index(0,0));
+    }
+}
+
 void LibraryWindow::selectSubfolder(const QModelIndex &mi, int child)
 {
     QModelIndex dest = foldersModel->index(child,0,mi);
@@ -1259,6 +1273,13 @@ void LibraryWindow::checkEmptyFolder(QStringList * paths)
 
 void LibraryWindow::reloadCovers()
 {
+    //comics view switch when filter/search is enabled
+    if(!searchEdit->text().isEmpty())
+    {
+       loadCoversFromCurrentModel();
+        return;
+    }
+
     if(foldersView->selectionModel()->selectedRows().length()>0)
         loadCovers(foldersView->currentIndex());
     else
@@ -1585,6 +1606,7 @@ void LibraryWindow::setSearchFilter(QString filter)
     if(filter.isEmpty() && foldersModel->isFilterEnabled())
 	{
         foldersModel->resetFilter();
+        comicsView->enableFilterMode(false);
 		//foldersView->collapseAll();
 		if(index != 0)
 		{
@@ -1603,6 +1625,7 @@ void LibraryWindow::setSearchFilter(QString filter)
 		{
             foldersModel->setFilter(filter, true);//includeComicsCheckBox->isChecked());
             comicsModel->setupModelData(filter, foldersModel->getDatabase());
+            comicsView->enableFilterMode(true);
 			foldersView->expandAll();
 		}
 	}
@@ -1720,6 +1743,11 @@ void LibraryWindow::showEmptyFolderView()
     comicsViewStack->setCurrentWidget(emptyFolderWidget);
 }
 
+void LibraryWindow::showNoSearchResultsView()
+{
+    comicsViewStack->setCurrentWidget(noSearchResultsWidget);
+}
+
 //TODO recover the current comics selection and restore it in the destination
 void LibraryWindow::toggleComicsView()
 {
@@ -1730,6 +1758,14 @@ void LibraryWindow::toggleComicsView()
         toggleComicsView_delayed();
 }
 
+void LibraryWindow::checkSearchNumResults(int numResults)
+{
+    if(numResults == 0)
+        showNoSearchResultsView();
+    else
+        showComicsView();
+}
+
 void LibraryWindow::asignNumbers()
 {
 	QModelIndexList indexList = getSelectedComics();
@@ -1888,14 +1924,14 @@ void LibraryWindow::closeEvent ( QCloseEvent * event )
 void LibraryWindow::showNoLibrariesWidget()
 {
 	disableAllActions();
-	foldersFilter->setDisabled(true);
+    searchEdit->setDisabled(true);
 	mainWidget->setCurrentIndex(1);
 }
 
 void LibraryWindow::showRootWidget()
 {
 	libraryToolBar->setDisabled(false);
-	foldersFilter->setEnabled(true);
+    searchEdit->setEnabled(true);
 	mainWidget->setCurrentIndex(0);
 }
 
@@ -1904,7 +1940,7 @@ void LibraryWindow::showImportingWidget()
 	disableAllActions();
 	importWidget->clear();
 	libraryToolBar->setDisabled(true);
-	foldersFilter->setDisabled(true);
+    searchEdit->setDisabled(true);
 	mainWidget->setCurrentIndex(2);
 }
 

YACReaderLibrary/library_window.h

@@ -54,6 +54,7 @@ class ClassicComicsView;
 class GridComicsView;
 class ComicsViewTransition;
 class EmptyFolderWidget;
+class NoSearchResultsWidget;
 class EditShortcutsDialog;
 
 #include "comic_db.h"
@@ -90,11 +91,10 @@ private:
 	QSize slideSizeW;
 	QSize slideSizeF;
 	//search filter
-	YACReaderSearchLineEdit * foldersFilter;
+    YACReaderSearchLineEdit * searchEdit;
 	TreeItem * index; //index al que hay que hacer scroll despu<70>s de pulsar sobre un folder filtrado
 	int column;
 	QString previousFilter;
-	QPushButton * clearFoldersFilter;
 	QCheckBox * includeComicsCheckBox;
 	//-------------
 
@@ -104,6 +104,7 @@ private:
     QStackedWidget * comicsViewStack;
     ComicsViewTransition * comicsViewTransition;
     EmptyFolderWidget * emptyFolderWidget;
+    NoSearchResultsWidget * noSearchResultsWidget;
 
 	YACReaderTreeView * foldersView;
 	YACReaderLibraryListWidget * selectedLibrary;
@@ -314,7 +315,10 @@ public slots:
     void toggleComicsView_delayed();//used in orther to avoid flickering;
     void showComicsView();
     void showEmptyFolderView();
+    void showNoSearchResultsView();
     void toggleComicsView();
+    void checkSearchNumResults(int numResults);
+    void loadCoversFromCurrentModel();
 };
 
 #endif

YACReaderLibrary/no_search_results_widget.cpp

@@ -0,0 +1,40 @@
+#include "no_search_results_widget.h"
+
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QPainter>
+
+NoSearchResultsWidget::NoSearchResultsWidget(QWidget *parent) :
+    QWidget(parent)
+{
+    QVBoxLayout * layout = new QVBoxLayout;
+
+    iconLabel = new QLabel();
+    iconLabel->setPixmap(QPixmap(":/images/empty_search.png"));
+    iconLabel->setAlignment(Qt::AlignCenter);
+
+    titleLabel = new QLabel("No results");
+    titleLabel->setAlignment(Qt::AlignCenter);
+    titleLabel->setStyleSheet("QLabel {color:#CCCCCC; font-size:24px;font-family:Arial;font-weight:bold;}");
+
+    layout->addSpacing(100);
+    layout->addWidget(iconLabel);
+    layout->addSpacing(30);
+    layout->addWidget(titleLabel);
+    layout->addStretch();
+    layout->setMargin(0);
+    layout->setSpacing(0);
+
+    setContentsMargins(0,0,0,0);
+
+    setStyleSheet("QWidget {background:#2A2A2A}");
+
+    setSizePolicy(QSizePolicy ::Expanding , QSizePolicy ::Expanding );
+    setLayout(layout);
+}
+
+void NoSearchResultsWidget::paintEvent(QPaintEvent *)
+{
+    QPainter painter (this);
+    painter.fillRect(0,0,width(),height(),QColor("#2A2A2A"));
+}

YACReaderLibrary/no_search_results_widget.h

@@ -0,0 +1,25 @@
+#ifndef NO_SEARCH_RESULTS_WIDGET_H
+#define NO_SEARCH_RESULTS_WIDGET_H
+
+#include <QWidget>
+
+class QLabel;
+
+class NoSearchResultsWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit NoSearchResultsWidget(QWidget *parent = 0);
+
+signals:
+
+public slots:
+
+protected:
+    QLabel * iconLabel;
+    QLabel * titleLabel;
+    void paintEvent(QPaintEvent *);
+
+};
+
+#endif // NO_SEARCH_RESULTS_WIDGET_H

custom_widgets/yacreader_search_line_edit.cpp

@@ -27,7 +27,7 @@ YACReaderSearchLineEdit::YACReaderSearchLineEdit(QWidget *parent)
 #ifdef Q_OS_MAC
 	setStyleSheet(QString("QLineEdit {border-top:1px solid #9F9F9F; border-bottom:1px solid #ACACAC; border-right:1px solid #ACACAC; border-left:1px solid #ACACAC; border-radius: 10px; background-color:qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #CACACA, stop: 0.15 #FFFFFF); padding-left: %1px; padding-right: %2px; padding-bottom: 1px; margin-bottom: 1px;} ").arg(searchLabel->sizeHint().width() + frameWidth + 6).arg(clearButton->sizeHint().width() + frameWidth + 2));
 #else
-    setStyleSheet(QString("QLineEdit {color: #ABABAB; border:none; border-radius: 5px; background-color:#404040; padding-left: %1px; padding-right: %2px; padding-bottom: 1px; margin-right: 9px;} ").arg(searchLabel->sizeHint().width() + frameWidth + 6 + 5).arg(clearButton->sizeHint().width() + frameWidth + 2));
+    setStyleSheet(QString("QLineEdit {color: #ABABAB; border:none; border-radius: 4px; background-color:#404040; padding-left: %1px; padding-right: %2px; padding-bottom: 1px; margin-right: 9px;} ").arg(searchLabel->sizeHint().width() + frameWidth + 6 + 5).arg(clearButton->sizeHint().width() + frameWidth + 2));
 #endif
 	QSize msz = minimumSizeHint();
 	setMinimumSize(qMax(msz.width(), clearButton->sizeHint().height() + frameWidth * 2 + 2),