Merge pull request #260 from lordhoto/new-chooser.

New save/load chooser

Conflicts:
	gui/saveload.cpp

1 files changed, 51 insertions, 341 deletions

diff --git a/gui/saveload.cpp b/gui/saveload.cpp
index ac315cb6f6..c2bbcd9bec 100644
--- a/gui/saveload.cpp
+++ b/gui/saveload.cpp
@@ -20,112 +20,45 @@
  */
 
 #include "common/config-manager.h"
-#include "common/translation.h"
 #include "common/system.h"
 
-#include "gui/widgets/list.h"
-#include "gui/message.h"
 #include "gui/saveload.h"
-#include "gui/ThemeEval.h"
+#include "gui/saveload-dialog.h"
 #include "gui/gui-manager.h"
 
-#include "graphics/scaler.h"
-
 #include "engines/metaengine.h"
 
 namespace GUI {
 
-enum {
-	kChooseCmd = 'CHOS',
-	kDelCmd = 'DEL '
-
-};
-
 SaveLoadChooser::SaveLoadChooser(const String &title, const String &buttonLabel, bool saveMode)
-	: Dialog("SaveLoadChooser"), _delSupport(0), _list(0), _chooseButton(0), _deleteButton(0), _gfxWidget(0)  {
-	_delSupport = _metaInfoSupport = _thumbnailSupport = _saveDateSupport = _playTimeSupport = false;
-	_fillR = _fillG = _fillB = 0;
-
-	_backgroundType = ThemeEngine::kDialogBackgroundSpecial;
-
-	new StaticTextWidget(this, "SaveLoadChooser.Title", title);
-
-	// Add choice list
-	_list = new GUI::ListWidget(this, "SaveLoadChooser.List");
-	_list->setNumberingMode(GUI::kListNumberingZero);
-	_list->setEditable(saveMode);
-
-	_gfxWidget = new GUI::GraphicsWidget(this, 0, 0, 10, 10);
-
-	_date = new StaticTextWidget(this, 0, 0, 10, 10, _("No date saved"), Graphics::kTextAlignCenter);
-	_time = new StaticTextWidget(this, 0, 0, 10, 10, _("No time saved"), Graphics::kTextAlignCenter);
-	_playtime = new StaticTextWidget(this, 0, 0, 10, 10, _("No playtime saved"), Graphics::kTextAlignCenter);
-
-	// Buttons
-	new GUI::ButtonWidget(this, "SaveLoadChooser.Cancel", _("Cancel"), 0, kCloseCmd);
-	_chooseButton = new GUI::ButtonWidget(this, "SaveLoadChooser.Choose", buttonLabel, 0, kChooseCmd);
-	_chooseButton->setEnabled(false);
-
-	_deleteButton = new GUI::ButtonWidget(this, "SaveLoadChooser.Delete", _("Delete"), 0, kDelCmd);
-	_deleteButton->setEnabled(false);
-
-	_delSupport = _metaInfoSupport = _thumbnailSupport = false;
-
-	_container = new GUI::ContainerWidget(this, 0, 0, 10, 10);
-//	_container->setHints(GUI::THEME_HINT_USE_SHADOW);
+	: _impl(0), _title(title), _buttonLabel(buttonLabel), _saveMode(saveMode) {
 }
 
 SaveLoadChooser::~SaveLoadChooser() {
+	delete _impl;
+	_impl = 0;
 }
 
-int SaveLoadChooser::runModalWithCurrentTarget() {
-	const Common::String gameId = ConfMan.get("gameid");
-
-	const EnginePlugin *plugin = 0;
-	EngineMan.findGame(gameId, &plugin);
-
-	return runModalWithPluginAndTarget(plugin, ConfMan.getActiveDomainName());
-}
-
-int SaveLoadChooser::runModalWithPluginAndTarget(const EnginePlugin *plugin, const String &target) {
-	if (_gfxWidget)
-		_gfxWidget->setGfx(0);
-
-	// Set up the game domain as newly active domain, so
-	// target specific savepath will be checked
-	String oldDomain = ConfMan.getActiveDomainName();
-	ConfMan.setActiveDomain(target);
-
-	_plugin = plugin;
-	_target = target;
-	_delSupport = (*_plugin)->hasFeature(MetaEngine::kSupportsDeleteSave);
-	_metaInfoSupport = (*_plugin)->hasFeature(MetaEngine::kSavesSupportMetaInfo);
-	_thumbnailSupport = _metaInfoSupport && (*_plugin)->hasFeature(MetaEngine::kSavesSupportThumbnail);
-	_saveDateSupport = _metaInfoSupport && (*_plugin)->hasFeature(MetaEngine::kSavesSupportCreationDate);
-	_playTimeSupport = _metaInfoSupport && (*_plugin)->hasFeature(MetaEngine::kSavesSupportPlayTime);
-	_resultString.clear();
-	reflowLayout();
-	updateSaveList();
-
-	int ret = Dialog::runModal();
-
-	// Revert to the old active domain
-	ConfMan.setActiveDomain(oldDomain);
-
-	return ret;
-}
-
-void SaveLoadChooser::open() {
-	Dialog::open();
-
-	// So that quitting ScummVM will not cause the dialog result to say a
-	// savegame was selected.
-	setResult(-1);
-}
-
-const Common::String &SaveLoadChooser::getResultString() const {
-	int selItem = _list->getSelected();
-	return (selItem >= 0) ? _list->getSelectedString() : _resultString;
+void SaveLoadChooser::selectChooser(const MetaEngine &engine) {
+#ifndef DISABLE_SAVELOADCHOOSER_GRID
+	const SaveLoadChooserType requestedType = getRequestedSaveLoadDialog(engine);
+	if (!_impl || _impl->getType() != requestedType) {
+		delete _impl;
+		_impl = 0;
+
+		switch (requestedType) {
+		case kSaveLoadDialogGrid:
+			_impl = new SaveLoadChooserGrid(_title, _saveMode);
+			break;
+
+		case kSaveLoadDialogList:
+#endif // !DISABLE_SAVELOADCHOOSER_GRID
+			_impl = new SaveLoadChooserSimple(_title, _buttonLabel, _saveMode);
+#ifndef DISABLE_SAVELOADCHOOSER_GRID
+			break;
+		}
+	}
+#endif // !DISABLE_SAVELOADCHOOSER_GRID
 }
 
 Common::String SaveLoadChooser::createDefaultSaveDescription(const int slot) const {
@@ -140,267 +73,44 @@ Common::String SaveLoadChooser::createDefaultSaveDescription(const int slot) con
 #endif
 }
 
-void SaveLoadChooser::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
-	int selItem = _list->getSelected();
-
-	switch (cmd) {
-	case GUI::kListItemActivatedCmd:
-	case GUI::kListItemDoubleClickedCmd:
-		if (selItem >= 0 && _chooseButton->isEnabled()) {
-			if (_list->isEditable() || !_list->getSelectedString().empty()) {
-				_list->endEditMode();
-				if (!_saveList.empty()) {
-					setResult(_saveList[selItem].getSaveSlot());
-					_resultString = _list->getSelectedString();
-				}
-				close();
-			}
-		}
-		break;
-	case kChooseCmd:
-		_list->endEditMode();
-		if (!_saveList.empty()) {
-			setResult(_saveList[selItem].getSaveSlot());
-			_resultString = _list->getSelectedString();
-		}
-		close();
-		break;
-	case GUI::kListSelectionChangedCmd:
-		updateSelection(true);
-		break;
-	case kDelCmd:
-		if (selItem >= 0 && _delSupport) {
-			MessageDialog alert(_("Do you really want to delete this savegame?"),
-								_("Delete"), _("Cancel"));
-			if (alert.runModal() == GUI::kMessageOK) {
-				(*_plugin)->removeSaveState(_target.c_str(), _saveList[selItem].getSaveSlot());
-
-				setResult(-1);
-				_list->setSelected(-1);
-
-				updateSaveList();
-				updateSelection(true);
-			}
-		}
-		break;
-	case kCloseCmd:
-		setResult(-1);
-	default:
-		Dialog::handleCommand(sender, cmd, data);
-	}
-}
-
-void SaveLoadChooser::reflowLayout() {
-	if (g_gui.xmlEval()->getVar("Globals.SaveLoadChooser.ExtInfo.Visible") == 1 && _thumbnailSupport) {
-		int16 x, y;
-		uint16 w, h;
-
-		if (!g_gui.xmlEval()->getWidgetData("SaveLoadChooser.Thumbnail", x, y, w, h))
-			error("Error when loading position data for Save/Load Thumbnails");
-
-		int thumbW = kThumbnailWidth;
-		int thumbH = kThumbnailHeight2;
-		int thumbX = x + (w >> 1) - (thumbW >> 1);
-		int thumbY = y + kLineHeight;
-
-		int textLines = 0;
-		if (!_saveDateSupport)
-			textLines++;
-		if (!_playTimeSupport)
-			textLines++;
-
-		_container->resize(x, y, w, h - (kLineHeight * textLines));
-		_gfxWidget->resize(thumbX, thumbY, thumbW, thumbH);
-
-		int height = thumbY + thumbH + kLineHeight;
-
-		if (_saveDateSupport) {
-			_date->resize(thumbX, height, kThumbnailWidth, kLineHeight);
-			height += kLineHeight;
-			_time->resize(thumbX, height, kThumbnailWidth, kLineHeight);
-			height += kLineHeight;
-		}
-
-		if (_playTimeSupport)
-			_playtime->resize(thumbX, height, kThumbnailWidth, kLineHeight);
-
-		_container->setVisible(true);
-		_gfxWidget->setVisible(true);
-
-		_date->setVisible(_saveDateSupport);
-		_time->setVisible(_saveDateSupport);
-
-		_playtime->setVisible(_playTimeSupport);
+int SaveLoadChooser::runModalWithCurrentTarget() {
+	const Common::String gameId = ConfMan.get("gameid");
 
-		_fillR = 0;
-		_fillG = 0;
-		_fillB = 0;
-		updateSelection(false);
-	} else {
-		_container->setVisible(false);
-		_gfxWidget->setVisible(false);
-		_date->setVisible(false);
-		_time->setVisible(false);
-		_playtime->setVisible(false);
-	}
+	const EnginePlugin *plugin = 0;
+	EngineMan.findGame(gameId, &plugin);
 
-	Dialog::reflowLayout();
+	return runModalWithPluginAndTarget(plugin, ConfMan.getActiveDomainName());
 }
 
-void SaveLoadChooser::updateSelection(bool redraw) {
-	int selItem = _list->getSelected();
-
-	bool isDeletable = _delSupport;
-	bool isWriteProtected = false;
-	bool startEditMode = _list->isEditable();
-
-	_gfxWidget->setGfx(-1, -1, _fillR, _fillG, _fillB);
-	_date->setLabel(_("No date saved"));
-	_time->setLabel(_("No time saved"));
-	_playtime->setLabel(_("No playtime saved"));
-
-	if (selItem >= 0 && _metaInfoSupport) {
-		SaveStateDescriptor desc = (*_plugin)->querySaveMetaInfos(_target.c_str(), _saveList[selItem].getSaveSlot());
-
-		isDeletable = desc.getDeletableFlag() && _delSupport;
-		isWriteProtected = desc.getWriteProtectedFlag();
-
-		// Don't allow the user to change the description of write protected games
-		if (isWriteProtected)
-			startEditMode = false;
-
-		if (_thumbnailSupport) {
-			const Graphics::Surface *thumb = desc.getThumbnail();
-			if (thumb) {
-				_gfxWidget->setGfx(thumb);
-				_gfxWidget->useAlpha(256);
-			}
-		}
-
-		if (_saveDateSupport) {
-			const Common::String &saveDate = desc.getSaveDate();
-			if (!saveDate.empty())
-				_date->setLabel(_("Date: ") + saveDate);
-
-			const Common::String &saveTime = desc.getSaveTime();
-			if (!saveTime.empty())
-				_time->setLabel(_("Time: ") + saveTime);
-		}
-
-		if (_playTimeSupport) {
-			const Common::String &playTime = desc.getPlayTime();
-			if (!playTime.empty())
-				_playtime->setLabel(_("Playtime: ") + playTime);
-		}
-	}
-
-
-	if (_list->isEditable()) {
-		// Disable the save button if nothing is selected, or if the selected
-		// game is write protected
-		_chooseButton->setEnabled(selItem >= 0 && !isWriteProtected);
+int SaveLoadChooser::runModalWithPluginAndTarget(const EnginePlugin *plugin, const String &target) {
+	selectChooser(**plugin);
+	if (!_impl)
+		return -1;
 
-		if (startEditMode) {
-			_list->startEditMode();
+	// Set up the game domain as newly active domain, so
+	// target specific savepath will be checked
+	String oldDomain = ConfMan.getActiveDomainName();
+	ConfMan.setActiveDomain(target);
 
-			if (_chooseButton->isEnabled() && _list->getSelectedString() == _("Untitled savestate") &&
-					_list->getSelectionColor() == ThemeEngine::kFontColorAlternate) {
-				_list->setEditString("");
-				_list->setEditColor(ThemeEngine::kFontColorNormal);
-			}
+	int ret;
+	do {
+		ret = _impl->run(target, &(**plugin));
+#ifndef DISABLE_SAVELOADCHOOSER_GRID
+		if (ret == kSwitchSaveLoadDialog) {
+			selectChooser(**plugin);
 		}
-	} else {
-		// Disable the load button if nothing is selected, or if an empty
-		// list item is selected.
-		_chooseButton->setEnabled(selItem >= 0 && !_list->getSelectedString().empty());
-	}
-
-	// Delete will always be disabled if the engine doesn't support it.
-	_deleteButton->setEnabled(isDeletable && (selItem >= 0) && (!_list->getSelectedString().empty()));
-
-	if (redraw) {
-		_gfxWidget->draw();
-		_date->draw();
-		_time->draw();
-		_playtime->draw();
-		_chooseButton->draw();
-		_deleteButton->draw();
-
-		draw();
-	}
-}
+#endif // !DISABLE_SAVELOADCHOOSER_GRID
+	} while (ret < -1);
 
-void SaveLoadChooser::close() {
-	_plugin = 0;
-	_target.clear();
-	_saveList.clear();
-	_list->setList(StringArray());
+	// Revert to the old active domain
+	ConfMan.setActiveDomain(oldDomain);
 
-	Dialog::close();
+	return ret;
 }
 
-void SaveLoadChooser::updateSaveList() {
-	_saveList = (*_plugin)->listSaves(_target.c_str());
-
-	int curSlot = 0;
-	int saveSlot = 0;
-	StringArray saveNames;
-	ListWidget::ColorList colors;
-	for (SaveStateList::const_iterator x = _saveList.begin(); x != _saveList.end(); ++x) {
-		// Handle gaps in the list of save games
-		saveSlot = x->getSaveSlot();
-		if (curSlot < saveSlot) {
-			while (curSlot < saveSlot) {
-				SaveStateDescriptor dummySave(curSlot, "");
-				_saveList.insert_at(curSlot, dummySave);
-				saveNames.push_back(dummySave.getDescription());
-				colors.push_back(ThemeEngine::kFontColorNormal);
-				curSlot++;
-			}
-
-			// Sync the save list iterator
-			for (x = _saveList.begin(); x != _saveList.end(); ++x) {
-				if (x->getSaveSlot() == saveSlot)
-					break;
-			}
-		}
-
-		// Show "Untitled savestate" for empty/whitespace savegame descriptions
-		Common::String description = x->getDescription();
-		Common::String trimmedDescription = description;
-		trimmedDescription.trim();
-		if (trimmedDescription.empty()) {
-			description = _("Untitled savestate");
-			colors.push_back(ThemeEngine::kFontColorAlternate);
-		} else {
-			colors.push_back(ThemeEngine::kFontColorNormal);
-		}
-
-		saveNames.push_back(description);
-		curSlot++;
-	}
-
-	// Fill the rest of the save slots with empty saves
-
-	int maximumSaveSlots = (*_plugin)->getMaximumSaveSlot();
-
-#ifdef __DS__
-	// Low memory on the DS means too many save slots are impractical, so limit
-	// the maximum here.
-	if (maximumSaveSlots > 99) {
-		maximumSaveSlots = 99;
-	}
-#endif
-
-	Common::String emptyDesc;
-	for (int i = curSlot; i <= maximumSaveSlots; i++) {
-		saveNames.push_back(emptyDesc);
-		SaveStateDescriptor dummySave(i, "");
-		_saveList.push_back(dummySave);
-		colors.push_back(ThemeEngine::kFontColorNormal);
-	}
-
-	_list->setList(saveNames, &colors);
+const Common::String &SaveLoadChooser::getResultString() const {
+	assert(_impl);
+	return _impl->getResultString();
 }
 
 } // End of namespace GUI