Add the template for a new model-based backend for lumina-fm.

3 files changed, 310 insertions, 17 deletions

diff --git a/src-qt5/desktop-utils/lumina-fm/BrowserModel.cpp b/src-qt5/desktop-utils/lumina-fm/BrowserModel.cpp
new file mode 100644
index 00000000..d79da006
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-fm/BrowserModel.cpp
@@ -0,0 +1,208 @@
+//===========================================
+//  Lumina Desktop source code
+//  Copyright (c) 2017, Ken Moore & JT Pennington
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#include "BrowserModel.h"
+
+BrowserModel::BrowserModel(QObject *parent){
+
+}
+
+BrowserModel::~BrowserModel(){
+
+}
+
+//Virtual overrides
+QModelIndex BrowserModel::index(int row, int column, const QModelIndex &parent) const{
+
+}
+
+QModelIndex BrowserModel::parent(const QModelIndex &index) const{
+
+}
+
+// item management
+int BrowserModel::rowCount(const QModelIndex &parent) const{
+
+}
+
+bool BrowserModel::insertRows(int row, int count, const QModelIndex &parent){
+
+}
+
+bool BrowserModel::removeRow(int row, const QModelIndex &parent){
+
+}
+
+bool BrowserModel::removeRows(int row, int count, const QModelIndex &parent){
+
+}
+
+int BrowserModel::columnCount(const QModelIndex &parent) const{
+
+}
+
+bool BrowserModel::insertColumns(int column, int count, const QModelIndex &parent){
+
+}
+
+bool BrowserModel::removeColumn(int column, const QModelIndex &parent){
+
+}
+
+bool BrowserModel::removeColumns(int column, int count, const QModelIndex &parent){
+
+}
+
+
+//bool BrowserModel::hasChildren(const QModelIndex &parent) const{
+
+}
+
+
+// data functions
+Qt::ItemFlags BrowserModel::flags(const QModelIndex &index) const{
+
+}
+
+QVariant BrowserModel::data(const QModelIndex &index, int role) const{
+  QFileInfo *info = indexToInfo(index);
+  switch(role){
+	case Qt::DisplayRole:
+		if(index.column()==0){ return QVariant(info->fileName()); }
+		else if(index.column()==1){ return QVariant(info->fileSize()); }
+		else if(index.column()==2){ return QVariant(info->mimetype()); }
+		else if(index.column()==3){ return QVariant(info->lastModified()->toString(Qt::DefaultLocaleShortDate)); }
+		else if(index.column()==4){ return QVariant(info->created()->toString(Qt::DefaultLocaleShortDate)); }
+	case Qt::ToolTipRole:
+		return QVariant(info->absoluteFilePath());
+	case Qt::StatusTipRole:
+		return QVariant(info->absoluteFilePath());
+	case Qt::SizeHintRole;
+		return QVariant(QSize(100,14));
+	case Qt::DecorationRole:
+		return QVariant(LXDG::findIcon(info->iconFile(), "unknown"));
+  }
+  return QVariant();
+}
+
+QVariant BrowserModel::headerData(int section, Qt::Orientation orientation, int role) const{
+    if(role == Qt::DisplayRole){
+      if(orientation == Qt::Horizontal){
+        switch(section){
+		case 0:
+		  return QVariant(tr("File Name"));
+		case 1:
+		  return QVariant("Size");
+		case 2:
+		  return QVariant("Type");
+		case 3:
+		  return QVariant("Date Modified");
+		case 4:
+		  return QVariant("Date Created");
+        }
+      }
+    }
+	case Qt::DisplayRole:
+		return QVariant(tr("File Name");
+	/*case Qt::ToolTipRole:
+		return QVariant("ToolTip");
+	case Qt::StatusTipRole:
+		return QVariant("Status Tip");
+	case Qt::SizeHintRole;
+		return QVariant(QSize(100,14));*/
+	case Qt::DecorationRole:
+		return QVariant("Icon"));
+  }
+  return QVariant();
+}
+
+// data modification functions
+bool BrowserModel::setData(const QModelIndex &index, const QVariant &value, int role){
+
+}
+
+bool BrowserModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role){
+
+}
+
+
+// drag and drop
+//QMimeData* BrowserModel::mimeData(const QModelIndexList &indexes) const{
+
+}
+
+//QStringList BrowserModel::mimeTypes() const{
+
+}
+
+//bool BrowserModel::setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles){
+
+}
+
+//Qt::DropActions BrowserModel::supportedDropActions() const{
+
+}
+
+//bool BrowserModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent){
+
+}
+
+//Special Functions (non virtual replacements)
+LFileInfo* BrowserModel::fileInfo(QString name){
+
+}
+
+QString BrowserModel::currentDirectory(){
+  return cDir;
+}
+
+
+// ==============
+//    PUBLIC SLOTS
+// ==============
+void BrowserModel::loadDirectory(QString dir){
+
+
+}
+
+void BrowserModel::loadItem(QString itempath){
+  LFileInfo *it = new LFileInfo(itempath);
+  //Determine the row/column that it needs to be
+  int row, column;
+  row = 0;
+  //Now create the index
+  for(int i=0; i<5; i++){
+    QModelIndex index = createIndex(row, i, it);
+  }
+}
+
+
+// =============
+//      PRIVATE
+// =============
+/*QString BrowserModel::findInHash(QString path){
+  QStringList keys = HASH.keys();
+  for(int i=0; i<keys.length(); i++){
+    if(HASH[keys[i]]->filePath() == path){ return keys[i]; }
+  }
+  return "";
+}
+
+QString BrowserModel::findInHash(QModelIndex index){
+  QString id = QString::number(index.row())+"/"+QString::number(index.column());
+  if(HASH.contains(id)){ return id; }
+  return "";
+}
+
+LFileInfo* BrowserModel::indexToInfo(QString path){
+  QString id = findInHash(path);
+  if(id.isEmpty()){ return 0;}
+  return HASH[id];
+}*/
+
+LFileInfo* BrowserModel::indexToInfo(QModelIndex index){
+  return static_cast<LFileInfo*>(index.internalPointer());
+}
diff --git a/src-qt5/desktop-utils/lumina-fm/BrowserModel.h b/src-qt5/desktop-utils/lumina-fm/BrowserModel.h
new file mode 100644
index 00000000..0968b4d4
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-fm/BrowserModel.h
@@ -0,0 +1,85 @@
+//===========================================
+//  Lumina Desktop source code
+//  Copyright (c) 2017, Ken Moore & JT Pennington
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+//  This is the main browsing backend for the file manager
+//===========================================
+#ifndef _LUMINA_FM_BROWSER_MODEL_BACKEND_H
+#define _LUMINA_FM_BROWSER_MODEL_BACKEND_H
+
+#include <QAbstractItemModel>
+#include <QModelIndex>
+#include <QMimeData>
+#include <QMap>
+#include <QVariant>
+#include <QHash>
+
+#include <LuminaXDG.h>
+
+class BrowserModel : public QAbstractItemModel {
+	Q_OBJECT
+public:
+	BrowserModel(QObject *parent = 0);
+	~BrowserModel();
+
+	//Virtual overrides
+	QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+	QModelIndex parent(const QModelIndex &index) const;
+
+	// item management
+	int rowCount(const QModelIndex &parent = QModelIndex()) const;
+	bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex());
+	bool removeRow(int row, const QModelIndex &parent = QModelIndex());
+	bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+
+	int columnCount(const QModelIndex &parent = QModelIndex()) const;
+	bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex());
+	bool removeColumn(int column, const QModelIndex &parent = QModelIndex());
+	bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex());
+
+	//bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
+
+	// data functions
+	Qt::ItemFlags flags(const QModelIndex &index) const;
+	QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+	QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
+	// data modification functions
+	bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
+	bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role = Qt::EditRole);
+
+	// drag and drop
+	//QMimeData* mimeData(const QModelIndexList &indexes) const;
+	//QStringList mimeTypes() const;
+	//bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles);
+	//Qt::DropActions supportedDropActions() const;
+	//bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent);
+
+	//Special Functions (non virtual replacements)
+	LFileInfo* fileInfo(QString name);
+	QString currentDirectory();
+
+public slots:
+	void loadDirectory(QString dir="");
+	void loadItem(QString item);
+
+private:
+	QHash<quintptr, QModelIndex> HASH; //QString: "row/column"
+	QString cDir;
+	//simplification functions
+	/*QString findInHash(QString path);
+	QString findInHash(QModelIndex index);
+	LFileInfo* indexToInfo(QString path);*/
+	LFileInfo* indexToInfo(QModelIndex index);
+	
+private slots:
+
+protected:
+
+signals:
+
+};
+
+#endif
+
diff --git a/src-qt5/desktop-utils/lumina-fm/widgets/DDListWidgets.h b/src-qt5/desktop-utils/lumina-fm/widgets/DDListWidgets.h
index 254362fd..da4131e0 100644
--- a/src-qt5/desktop-utils/lumina-fm/widgets/DDListWidgets.h
+++ b/src-qt5/desktop-utils/lumina-fm/widgets/DDListWidgets.h
@@ -63,8 +63,8 @@ protected:
 	  QList<QListWidgetItem*> items = this->selectedItems();
 	  if(items.length()<1){ return; }
 	  QList<QUrl> urilist;
-	  for(int i=0; i<items.length(); i++){ 
-	    urilist << QUrl::fromLocalFile(items[i]->whatsThis());	  
+	  for(int i=0; i<items.length(); i++){
+	    urilist << QUrl::fromLocalFile(items[i]->whatsThis());
 	  }
 	  //Create the mime data
 	  //qDebug() << "Start Drag:" << urilist;
@@ -88,7 +88,7 @@ protected:
 	    ev->ignore();
 	  }
 	}
-	
+
 	void dragMoveEvent(QDragMoveEvent *ev){
 	  if(ev->mimeData()->hasUrls() && !this->whatsThis().isEmpty() ){
 	    //Change the drop type depending on the data/dir
@@ -104,7 +104,7 @@ protected:
 	  }
 	  this->update();
 	}
-	
+
 	void dropEvent(QDropEvent *ev){
 	  if(this->whatsThis().isEmpty() || !ev->mimeData()->hasUrls() ){ ev->ignore(); return; } //not supported
 	  //qDebug() << "Drop Event:";
@@ -125,7 +125,7 @@ protected:
 	  foreach(const QUrl &url, ev->mimeData()->urls()){
 	    const QString filepath = url.toLocalFile();
 	    //If the target file is modifiable, assume a move - otherwise copy
-	    if(QFileInfo(filepath).isWritable() && (filepath.startsWith(home) && dirpath.startsWith(home))){ 
+	    if(QFileInfo(filepath).isWritable() && (filepath.startsWith(home) && dirpath.startsWith(home))){
 	      if(filepath.section("/",0,-2)!=dirpath){ files << "cut::::"+filepath;  } //don't "cut" a file into the same dir
 	    }else{ files << "copy::::"+filepath; }
 	  }
@@ -133,18 +133,18 @@ protected:
 	  if(!files.isEmpty()){  emit DataDropped( dirpath, files ); }
 	  this->setCursor(Qt::ArrowCursor);
 	}
-	
+
 	void mouseReleaseEvent(QMouseEvent *ev){
 	  if(ev->button() != Qt::RightButton && ev->button() != Qt::LeftButton){ ev->ignore(); }
 	  else{ QListWidget::mouseReleaseEvent(ev); } //pass it along to the widget
 	}
 	void mousePressEvent(QMouseEvent *ev){
 	  if(ev->button() != Qt::RightButton && ev->button() != Qt::LeftButton){ ev->ignore(); }
-	  else{ QListWidget::mousePressEvent(ev); } //pass it along to the widget	  
+	  else{ QListWidget::mousePressEvent(ev); } //pass it along to the widget
 	}
 	/*void mouseMoveEvent(QMouseEvent *ev){
 	  if(ev->button() != Qt::RightButton && ev->button() != Qt::LeftButton){ ev->ignore(); }
-	  else{ QListWidget::mouseMoveEvent(ev); } //pass it along to the widget		
+	  else{ QListWidget::mouseMoveEvent(ev); } //pass it along to the widget	
 	}*/
 };
 
@@ -183,8 +183,8 @@ protected:
 	  QList<QTreeWidgetItem*> items = this->selectedItems();
 	  if(items.length()<1){ return; }
 	  QList<QUrl> urilist;
-	  for(int i=0; i<items.length(); i++){ 
-	    urilist << QUrl::fromLocalFile(items[i]->whatsThis(0));	  
+	  for(int i=0; i<items.length(); i++){
+	    urilist << QUrl::fromLocalFile(items[i]->whatsThis(0));
 	  }
 	  //Create the mime data
 	  QMimeData *mime = new QMimeData;
@@ -205,9 +205,9 @@ protected:
 	    ev->acceptProposedAction(); //allow this to be dropped here
 	  }else{
 	    ev->ignore();
-	  }		  
+	  }
 	}
-	
+
 	void dragMoveEvent(QDragMoveEvent *ev){
 	  if(ev->mimeData()->hasUrls() && !this->whatsThis().isEmpty() ){
 	    //Change the drop type depending on the data/dir
@@ -219,7 +219,7 @@ protected:
 	    ev->ignore();
 	  }
 	}
-	
+
 	void dropEvent(QDropEvent *ev){
 	  if(this->whatsThis().isEmpty() || !ev->mimeData()->hasUrls() ){ ev->ignore(); return; } //not supported
 	  ev->accept(); //handled here
@@ -239,25 +239,25 @@ protected:
 	  foreach(const QUrl &url, ev->mimeData()->urls()){
 	    const QString filepath = url.toLocalFile();
 	   //If the target file is modifiable, assume a move - otherwise copy
-	    if(QFileInfo(filepath).isWritable() && (filepath.startsWith(home) && dirpath.startsWith(home))){ 
+	    if(QFileInfo(filepath).isWritable() && (filepath.startsWith(home) && dirpath.startsWith(home))){
 	      if(filepath.section("/",0,-2)!=dirpath){ files << "cut::::"+filepath;  } //don't "cut" a file into the same dir
 	    }else{ files << "copy::::"+filepath; }
 	  }
 	  //qDebug() << "Drop Event:" << dirpath;
 	  emit DataDropped( dirpath, files );
 	}
-	
+
 	void mouseReleaseEvent(QMouseEvent *ev){
 	  if(ev->button() != Qt::RightButton && ev->button() != Qt::LeftButton){ ev->ignore(); }
 	  else{ QTreeWidget::mouseReleaseEvent(ev); } //pass it along to the widget
 	}
 	void mousePressEvent(QMouseEvent *ev){
 	  if(ev->button() != Qt::RightButton && ev->button() != Qt::LeftButton){ ev->ignore(); }
-	  else{ QTreeWidget::mousePressEvent(ev); } //pass it along to the widget	  
+	  else{ QTreeWidget::mousePressEvent(ev); } //pass it along to the widget
 	}
 	/*void mouseMoveEvent(QMouseEvent *ev){
 	  if(ev->button() != Qt::RightButton && ev->button() != Qt::LeftButton){ ev->ignore(); }
-	  else{ QTreeWidget::mouseMoveEvent(ev); } //pass it along to the widget		
+	  else{ QTreeWidget::mouseMoveEvent(ev); } //pass it along to the widget
 	}*/
 };