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Bug #5889 » TreeViewExample.h

Daniel Lier, 08/23/2017 12:56 PM

 
// This may look like C code, but it's really -*- C++ -*-
/*
* Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
#ifndef TREEVIEWEXAMPLE_H_
#define TREEVIEWEXAMPLE_H_

#include <Wt/WContainerWidget.h>
#include <Wt/WString.h>
#include <Wt/WStandardItemModel.h>
#include <Wt/WTreeView.h>
#include <string>
#include <vector>

using namespace Wt;

enum WeatherIcon {
Sun,
SunCloud,
Cloud,
Rain,
Storm,
Snow
};

namespace Wt {
class WStandardItem;
class WStandardItemModel;
class WTreeView;
class WText;
}

class TreeViewModel : public WStandardItemModel
{
public:
TreeViewModel();
~TreeViewModel() {};

bool update();
void toggleRowHeight(WTreeView *treeView_);
void toggleStripes(WTreeView *treeView_);
void toggleRoot(WTreeView *treeView_);
void addRows(WTreeView *treeView_);

private:
static std::unique_ptr<WStandardItem> continentItem(const std::string& continent);
static std::unique_ptr<WStandardItem> countryItem(const std::string& country, const std::string& code);
static std::vector<std::unique_ptr<WStandardItem> > cityItems(const std::string& city, WeatherIcon weather, const std::string& drink, bool useInternalPath, bool visited);

WStandardItem *belgium_;
};

class TreeViewExample : public WContainerWidget
{
public:
TreeViewExample(const WString& titleText);
WTreeView *treeView() const { return treeView_; }
bool update();

private:
std::shared_ptr<WStandardItemModel> model_;
WTreeView *treeView_;
};

#endif
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