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List:       kde-commits
Subject:    [krecipes] src/models: Update ingredients models with changes from the database.
From:       José_Manuel_Santamaría_Lema <panfaust () gmail ! com>
Date:       2016-07-11 17:59:35
Message-ID: E1bMfUV-000753-BE () code ! kde ! org
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Git commit 1a2a74dc602d3fa673db4ebb07a5815e8a7c0b90 by José Manuel Santamaría Lema.
Committed on 11/07/2016 at 14:57.
Pushed by joselema into branch 'master'.

Update ingredients models with changes from the database.

M  +112  -0    src/models/kreallingredientsmodels.cpp
M  +6    -0    src/models/kreallingredientsmodels.h

http://commits.kde.org/krecipes/1a2a74dc602d3fa673db4ebb07a5815e8a7c0b90

diff --git a/src/models/kreallingredientsmodels.cpp b/src/models/kreallingredientsmodels.cpp
index d8425ab..fe0aba1 100644
--- a/src/models/kreallingredientsmodels.cpp
+++ b/src/models/kreallingredientsmodels.cpp
@@ -10,6 +10,7 @@
 #include "kreallingredientsmodels.h"
 
 #include "kresinglecolumnproxymodel.h"
+#include "backends/recipedb.h"
 
 #include <KCompletion>
 #include <QStandardItemModel>
@@ -18,11 +19,21 @@
 KreAllIngredientsModels::KreAllIngredientsModels( RecipeDB * database ):
 	m_database( database )
 {
+
+	//Create models
 	m_sourceModel = new QStandardItemModel( this );
 	m_ingredientNameModel = new KreSingleColumnProxyModel( 1, this );
 	m_ingredientNameModel->setSortCaseSensitivity( Qt::CaseInsensitive );
 	m_ingredientNameModel->setSourceModel( m_sourceModel );
 	m_ingredientNameCompletion = new KCompletion;
+
+	//Connect signals and slots for model updating
+	connect( database, SIGNAL(ingredientCreated(const KreIngredient &)),
+		this, SLOT(ingredientCreatedDBSlot(const KreIngredient &)) );
+	connect( database, SIGNAL(ingredientModified(const KreIngredient &)),
+		this, SLOT(ingredientModifiedDBSlot(const KreIngredient &)) );
+	connect( database, SIGNAL(ingredientRemoved(const QVariant &)),
+		this, SLOT(ingredientRemovedDBSlot(const QVariant &)) );
 }
 
 KreAllIngredientsModels::~KreAllIngredientsModels()
@@ -45,3 +56,104 @@ KCompletion * KreAllIngredientsModels::ingredientNameCompletion()
 	return m_ingredientNameCompletion;
 }
 
+void KreAllIngredientsModels::ingredientCreatedDBSlot( const KreIngredient & ingredient )
+{
+	//Prepare the id item
+	QStandardItem * itemId = new QStandardItem;
+	itemId->setData( ingredient.id(), Qt::EditRole );
+        itemId->setEditable( false );
+
+        //Prepare the name item
+        QStandardItem *itemName = new QStandardItem( ingredient.name() );
+	itemName->setData( ingredient.name(), Qt::EditRole );
+        itemName->setEditable( true );
+
+	//Add the new row to the source model
+	QList<QStandardItem*> itemList;
+	itemList << itemId << itemName;
+	m_sourceModel->appendRow( itemList );
+
+	//Add the item to the completion object
+	m_ingredientNameCompletion->addItem( ingredient.name() );
+}
+
+void KreAllIngredientsModels::ingredientModifiedDBSlot( const KreIngredient & newIngredient )
+{
+	int i;
+	int rowCount;
+	QModelIndex index;
+
+	//Rename the ingredient in the source model
+	QVariant id;
+	QString oldName;
+	rowCount = m_sourceModel->rowCount();
+	for ( i = 0; i < rowCount; ++i ) {
+		index = m_sourceModel->index( i, 0 );
+		id = m_sourceModel->data( index );
+		if ( id == newIngredient.id() ) {
+			index = m_sourceModel->index( i, 1 );
+			oldName = m_sourceModel->data( index, Qt::EditRole ).toString();
+			m_sourceModel->setData( index, newIngredient.name(), Qt::EditRole );
+			break;
+		}
+	}
+
+	//Delete the ingredient name from the KCompletion if it was unique
+	QString name;
+	int oldNameMatches = 0;
+	for ( i = 0; i < rowCount; ++i ) {
+		index = m_sourceModel->index( i, 1 );
+		name = m_sourceModel->data( index ).toString();
+		if ( name == oldName ) {
+			++oldNameMatches;
+		}
+	}
+
+	//If the ingredient name was unique, delete it from completion
+	if ( oldNameMatches == 0 ) {
+		m_ingredientNameCompletion->removeItem( oldName );
+	}
+
+	//Add the new ingredient name to completion
+	m_ingredientNameCompletion->addItem( newIngredient.name() );
+
+}
+
+void KreAllIngredientsModels::ingredientRemovedDBSlot( const QVariant & id )
+{
+	int i;
+	int rowCount;
+	QModelIndex index;
+
+	//Delete the ingredient in the source model
+	QVariant currentId;
+	QString oldName;
+	rowCount = m_sourceModel->rowCount();
+	for ( i = 0; i < rowCount; ++i ) {
+		index = m_sourceModel->index( i, 0 );
+		currentId = m_sourceModel->data( index );
+		if ( currentId == id ) {
+			index = m_sourceModel->index( i, 1 );
+			oldName = m_sourceModel->data( index, Qt::EditRole ).toString();
+			m_sourceModel->takeRow( i );
+			break;
+		}
+	}
+
+	//Delete the ingredient name from the KCompletion if it was unique
+	QString name;
+	int oldNameMatches = 0;
+	for ( i = 0; i < rowCount; ++i ) {
+		index = m_sourceModel->index( i, 1 );
+		name = m_sourceModel->data( index ).toString();
+		if ( name == oldName ) {
+			++oldNameMatches;
+		}
+	}
+
+	//If the ingredient name was unique, delete it from completion
+	if ( oldNameMatches == 0 ) {
+		m_ingredientNameCompletion->removeItem( oldName );
+	}
+
+}
diff --git a/src/models/kreallingredientsmodels.h b/src/models/kreallingredientsmodels.h
index dfab8c1..1c45528 100644
--- a/src/models/kreallingredientsmodels.h
+++ b/src/models/kreallingredientsmodels.h
@@ -14,6 +14,7 @@
 
 class RecipeDB;
 class KreSingleColumnProxyModel;
+class KreIngredient;
 class KCompletion;
 class QStandardItemModel;
 
@@ -28,6 +29,11 @@ public:
 	KreSingleColumnProxyModel * ingredientNameModel();
 	KCompletion * ingredientNameCompletion();
 
+private slots:
+	void ingredientCreatedDBSlot( const KreIngredient & );
+	void ingredientModifiedDBSlot( const KreIngredient & );
+	void ingredientRemovedDBSlot( const QVariant & );
+
 private:
 	RecipeDB * m_database;
 	QStandardItemModel * m_sourceModel;
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