Browser already can display files and navigate down; TOOD: go up, choose

svn-id: r5551

4 files changed, 111 insertions, 9 deletions

diff --git a/gui/ListWidget.cpp b/gui/ListWidget.cpp
index 3b1ff3df70..0af09fbfb5 100644
--- a/gui/ListWidget.cpp
+++ b/gui/ListWidget.cpp
@@ -65,6 +65,20 @@ void ListWidget::setList(const StringList& list)
 	scrollBarRecalc();
 }
 
+void ListWidget::scrollTo(int item)
+{
+	int size = _list.size();
+	if (item >= size)
+		item = size - 1;
+	else if (item < 0)
+		item = 0;
+
+	if (_currentPos != item) {
+		_currentPos = item;
+		scrollBarRecalc();
+	}
+}
+
 void ListWidget::scrollBarRecalc()
 {
 	_scrollBar->_numEntries = _list.size();
diff --git a/gui/ListWidget.h b/gui/ListWidget.h
index e00896a7f5..aca1d3eabf 100644
--- a/gui/ListWidget.h
+++ b/gui/ListWidget.h
@@ -67,6 +67,7 @@ public:
 	void setNumberingMode(int numberingMode)	{ _numberingMode = numberingMode; }
 	bool isEditable() const						{ return _editable; }
 	void setEditable(bool editable)				{ _editable = editable; }
+	void scrollTo(int item);
 	
 	virtual void handleTickle();
 	virtual void handleMouseDown(int x, int y, int button, int clickCount);
diff --git a/gui/browser.cpp b/gui/browser.cpp
index dd20b6c01c..48f30ee632 100644
--- a/gui/browser.cpp
+++ b/gui/browser.cpp
@@ -30,22 +30,102 @@
  * - others???
  */
 
+enum {
+	kChooseCmd = 'Chos',
+	kGoUpCmd = 'GoUp'
+};
+
 BrowserDialog::BrowserDialog(NewGui *gui)
-	: Dialog(gui, 50, 20, 320-2*50, 200-2*20)
+	: Dialog(gui, 40, 10, 320-2*40, 200-2*10)
 {
 	// Headline - TODO: should be customizable during creation time
-	new StaticTextWidget(this, 10, 10, _w-2*10, kLineHeight,
+	new StaticTextWidget(this, 10, 8, _w-2*10, kLineHeight,
 		"Select directory with game data", kTextAlignCenter);
+	
+	// Current path - TODO: handle long paths ?
+	_currentPath =
+	new StaticTextWidget(this, 10, 20, _w-2*10, kLineHeight,
+		"DUMMY", kTextAlignLeft);
 
 	// Add file list
-	_fileList = new ListWidget(this, 10, 20, _w-2*10, _h-20-24-10);
+	_fileList = new ListWidget(this, 10, 34, _w-2*10, _h-34-24-10);
+	_fileList->setNumberingMode(kListNumberingOff);
 	
 	// Buttons
-	addButton(10, _h-24, "Go up", kCloseCmd, 0);
+	addButton(10, _h-24, "Go up", kGoUpCmd, 0);
 	addButton(_w-2*(kButtonWidth+10), _h-24, "Cancel", kCloseCmd, 0);
-	addButton(_w-(kButtonWidth+10), _h-24, "Choose", kCloseCmd, 0);
+	addButton(_w-(kButtonWidth+10), _h-24, "Choose", kChooseCmd, 0);
+}
+
+void BrowserDialog::open()
+{
+	// If no node has been set, or the last used one is now invalid,
+	// go back to the root/default dir.
+	if (_node == NULL || !_node->isValid()) {
+		delete _node;
+		_node = FilesystemNode::getRoot();
+		assert(_node != NULL);
+	}
+
+	// Alway refresh file list
+	updateListing();
+
+	// Call super implementation
+	Dialog::open();
+}
+
+void BrowserDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data)
+{
+	FilesystemNode *tmp;
+	
+	switch (cmd) {
+	case kChooseCmd:
+		// If nothing is selected in the list widget, choose the current dir.
+		// Else, choose the dir that is selected.
+		// TODO
+		close();
+		break;
+	case kGoUpCmd:
+/*
+		tmp = _node->parent();
+		delete _node;
+		_node = tmp;
+		updateListing();
+*/
+		break;
+	case kListItemDoubleClickedCmd:
+		tmp = (*_nodeContent)[data].clone();
+		delete _node;
+		_node = tmp;
+		updateListing();
+		break;
+	default:
+		Dialog::handleCommand(sender, cmd, data);
+	}
+}
+
+void BrowserDialog::updateListing()
+{
+	assert(_node != NULL);
 
-	// TODO - populate list item, implement buttons, etc. etc.
-	// TODO - will the choose button select the directory we are currrently in?!?
-	// TODO - double clicking an item should traverse into that directory
+	// Update the path display
+	_currentPath->setLabel(_node->path());
+
+	// Read in the data from the file system
+	delete _nodeContent;
+	_nodeContent = _node->listDir();
+	assert(_nodeContent != NULL);
+
+	// Populate the ListWidget
+	ScummVM::StringList list;
+	int size = _nodeContent->size();
+	for (int i = 0; i < size; i++) {
+		list.push_back((*_nodeContent)[i].displayName());
+	}
+	_fileList->setList(list);
+	_fileList->scrollTo(0);
+	
+	// Finally, redraw
+	draw();
 }
+
diff --git a/gui/browser.h b/gui/browser.h
index a07f169eb3..015d0d536a 100644
--- a/gui/browser.h
+++ b/gui/browser.h
@@ -26,6 +26,8 @@
 #include "common/list.h"
 
 class ListWidget;
+class StaticTextWidget;
+
 class FilesystemNode;
 class FSList;
 
@@ -35,11 +37,16 @@ class BrowserDialog : public Dialog {
 public:
 	BrowserDialog(NewGui *gui);
 
+	virtual void open();	
+	virtual void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
+
 protected:
 	ListWidget		*_fileList;
+	StaticTextWidget*_currentPath;
 	FilesystemNode	*_node;
-	FSList			*_content;
+	FSList			*_nodeContent;
 	
+	void updateListing();
 };
 
 #endif