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#include <Wt/WApplication>
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#include <Wt/WComboBox>
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#include <Wt/WContainerWidget>
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#include <Wt/WGridLayout>
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#include <Wt/WVBoxLayout>
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#include <Wt/WHBoxLayout>
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#include <Wt/WGroupBox>
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#include <Wt/WLabel>
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#include <Wt/WText>
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#include <Wt/WPushButton>
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#include <Wt/WLineEdit>
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#include <Wt/WPopupMenu>
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#include <Wt/WCssDecorationStyle>
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#include <Wt/WStandardItemModel>
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#include <Wt/WStandardItem>
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#include <Wt/WTableView>
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#include <iostream>
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class AttributeGroup;
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#define USE_CONTAINER_INSTEAD_OF_LAYOUT 1
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//#define USE_CONTAINER_INSTEAD_OF_LAYOUT 0
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#define USE_CONTAINER_INSTEAD_OF_GROUPBOX 0
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//#define USE_CONTAINER_INSTEAD_OF_GROUPBOX 1
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class WtApp : public Wt::WApplication
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{
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public:
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WtApp( const Wt::WEnvironment& env);
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~WtApp() {}
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void apply()
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{
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mHideDetails = !mHideDetails;
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mDetails->setHidden(mHideDetails);
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}
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private:
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Wt::WText *createText(const Wt::WString& text);
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Wt::WWidget *createSelection();
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void choiceChanged(int i);
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private:
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Wt::WGridLayout* mLayout;
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Wt::WContainerWidget* mSelections;
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Wt::WVBoxLayout* mSelectionLayout;
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Wt::WWidget* mDetails;
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Wt::WText* mStretch;
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AttributeGroup* mAttrGroup;
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bool mHideDetails;
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};
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class SelectionDefinitionTest :
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#if USE_CONTAINER_INSTEAD_OF_GROUPBOX
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public Wt::WContainerWidget
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#else
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public Wt::WGroupBox
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#endif
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{
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public:
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SelectionDefinitionTest(const Wt::WString& title)
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:
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#if USE_CONTAINER_INSTEAD_OF_GROUPBOX
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Wt::WContainerWidget()
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#else
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Wt::WGroupBox(title)
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#endif
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, mVBox(new Wt::WVBoxLayout())
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, mFilterLabel(new Wt::WLabel(Wt::WString("Filter")))
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, mSelection(new Wt::WComboBox())
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, mSelectionEditFilter(new Wt::WLineEdit())
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, mMenu(new Wt::WLabel())
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{
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//mFilterLabel->setBuddy(mSelectionEditFilter);
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//mSelection->setMaximumSize(layout::EntityMaxWidth, WLength::Auto);
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mSelection->addItem(Wt::WString("{1} ({2})").arg(Wt::WString("Please select")).arg(0));
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setStyleClass("selectionarea");
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Wt::WHBoxLayout* hbox1 = new Wt::WHBoxLayout();
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hbox1->addWidget(mFilterLabel, 0);
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hbox1->addWidget(mSelectionEditFilter, 1);
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Wt::WHBoxLayout* hbox2 = new Wt::WHBoxLayout();
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hbox2->addWidget(mMenu, 0);
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hbox2->addWidget(mSelection, 1);
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mVBox->addLayout(hbox1, 0, Wt::AlignTop | Wt::AlignJustify);
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mVBox->addLayout(hbox2, 0, Wt::AlignTop | Wt::AlignJustify);
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//mVBox->addWidget(mSelectionEditFilter, 0, AlignTop | AlignJustify);
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//mVBox->addWidget(mSelection, 0, AlignTop | AlignJustify);
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mVBox->setContentsMargins(2, 0, 4, 0);
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mVBox->setSpacing(4);
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setPadding(2);
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setLayout(mVBox);
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//addWidget(mSelection);
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//setContentAlignment(AlignJustify);
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}
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Wt::WVBoxLayout* mVBox;
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Wt::WLabel* mFilterLabel;
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Wt::WComboBox *mSelection;
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Wt::WStringListModel *mSelectionStrings;
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Wt::WLineEdit *mSelectionEditFilter;
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Wt::WLabel *mMenu;
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Wt::WPopupMenuItem* mShowFilterItem;
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};
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class Attribute : public Wt::WGroupBox
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{
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public:
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Attribute(const Wt::WString& title,
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const Wt::WString& description)
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: WGroupBox(title)
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, mDesc(description)
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, mLabel(new Wt::WLabel(mDesc))
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, mVBox(new Wt::WVBoxLayout())
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, mHBox(new Wt::WHBoxLayout())
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{
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mHBox->setContentsMargins(0, 0, 0, 0);
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mHBox->addWidget(mLabel, 0);
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mVBox->addLayout(mHBox);
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mVBox->setContentsMargins(0, 0, 0, 3);
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setLayout(mVBox);
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setStyleClass("attrbox");
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hide();
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}
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Attribute(const Wt::WString& title)
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: WGroupBox(title)
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, mDesc()
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, mLabel(0)
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, mVBox(new Wt::WVBoxLayout())
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, mHBox(0)
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{
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mVBox->setContentsMargins(0, 0, 0, 3);
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setLayout(mVBox);
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setStyleClass("attrbox");
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hide();
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}
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protected:
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Wt::WString mDesc;
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Wt::WLabel* mLabel;
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Wt::WVBoxLayout* mVBox;
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Wt::WHBoxLayout* mHBox;
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};
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class NameAttribute : public Attribute
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{
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public:
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NameAttribute(const Wt::WString& name)
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: Attribute(Wt::WString("Edit ")+name,
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Wt::WString())
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, mName(new Wt::WLineEdit())
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{
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mHBox->addWidget(mName, 1);
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mLabel->setBuddy(mName);
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}
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private:
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Wt::WLineEdit* mName;
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};
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class ListAttribute : public Attribute
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{
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public:
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ListAttribute(const Wt::WString& name,
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const std::vector<Wt::WString>& list)
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: Attribute(Wt::WString("Select ") + name,
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Wt::WString())
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, mList(new Wt::WComboBox())
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{
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for(size_t i=0; i<list.size(); ++i)
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mList->addItem(list[i]);
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mHBox->addWidget(mList, 1);
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}
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private:
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Wt::WComboBox* mList;
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};
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class AttributeGroup : public Wt::WGroupBox
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{
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public:
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AttributeGroup(WtApp* app)
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: WGroupBox(Wt::WString("Attribute Group"))
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, mVBox(new Wt::WVBoxLayout())
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, mAttrs()
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, mItemMap()
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, mResetPB(new Wt::WPushButton(Wt::WString("Reset")))
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{
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Wt::WPopupMenu *popup = new Wt::WPopupMenu();
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Wt::WLabel *menu = new Wt::WLabel(Wt::WString("Attributes"));
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menu->setStyleClass("label-popupmenu");
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menu->clicked().connect(popup, &Wt::WPopupMenu::popup);
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addPopupItem(popup, Wt::WString("Name"),
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new NameAttribute("Name"));
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addPopupItem(popup, Wt::WString("Street"),
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new NameAttribute(Wt::WString("Street")));
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std::vector<Wt::WString> continents;
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continents.push_back(Wt::WString("Africa"));
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continents.push_back(Wt::WString("Europe ------------------------------------------------------>"));
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continents.push_back(Wt::WString("Asia"));
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continents.push_back(Wt::WString("America"));
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addPopupItem(popup, Wt::WString("Continents"),
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new ListAttribute(Wt::WString("Continent"),
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continents));
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Wt::WPushButton *apply = new Wt::WPushButton(Wt::WString("Apply"));
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mResetPB->clicked().connect(this, &AttributeGroup::reset);
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mResetPB->disable();
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apply->clicked().connect(app, &WtApp::apply);
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Wt::WHBoxLayout* hbox = new Wt::WHBoxLayout();
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hbox->setContentsMargins(0, 0, 0, 0);
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hbox->addWidget(menu, 1);
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hbox->addWidget(mResetPB, 1);
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hbox->addWidget(apply, 1);
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mVBox->addLayout(hbox);
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mVBox->setContentsMargins(0, 0, 0, 0);
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setLayout(mVBox);
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setStyleClass("selectionarea");
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}
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void addPopupItem(Wt::WPopupMenu* popup, const Wt::WString& text, Attribute* attr)
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{
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Wt::WPopupMenuItem* item = popup->addItem(text);
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mAttrs.push_back(attr);
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item->setCheckable(true);
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item->setChecked(false);
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item->setData(attr);
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item->triggered().connect(this, &AttributeGroup::attrChanged);
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mItemMap[attr] = item;
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mVBox->addWidget(attr);
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}
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void attrChanged(Wt::WPopupMenuItem* item)
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{
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Attribute *attr = reinterpret_cast<Attribute*>(item->data());
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attr->setHidden(!item->isChecked());
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mResetPB->setEnabled(true);
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}
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void reset()
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{
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for(std::list<Attribute*>::const_iterator it = mAttrs.begin(); it != mAttrs.end(); ++it)
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{
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Attribute* attr = (*it);
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attr->setHidden(true);
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mItemMap[attr]->setChecked(false);
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}
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mResetPB->setEnabled(false);
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}
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private:
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Wt::WVBoxLayout* mVBox;
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std::list<Attribute*> mAttrs;
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std::map<Attribute*,Wt::WPopupMenuItem*> mItemMap;
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Wt::WPushButton* mResetPB;
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};
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WtApp::WtApp(const Wt::WEnvironment& env)
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: Wt::WApplication(env)
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, mLayout(0)
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, mSelections(0)
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, mSelectionLayout(0)
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, mDetails(0)
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, mStretch(0)
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, mAttrGroup(0)
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, mHideDetails(false)
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{
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setCssTheme("polished");
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mLayout = new Wt::WGridLayout(root());
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root()->setLayout(mLayout);
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// row 0
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mLayout->addWidget(createText("Title"), 0, 0, 0, 3, Wt::AlignTop|Wt::AlignJustify);
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// row 1
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mLayout->addWidget(createText("SubTitle"), 1, 0, 1, 3, Wt::AlignMiddle|Wt::AlignJustify);
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// row 2
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mLayout->addWidget(createSelection(), 2, 0, Wt::AlignLeft);
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mLayout->addWidget(createText("Main"), 2, 1, Wt::AlignJustify);
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mLayout->addWidget((mDetails = createText("Details")), 2, 2, Wt::AlignJustify);
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// row 3
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mLayout->addWidget(createText("More details"), 3, 0, 1, 3);
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/*
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* Let row 2 and column 1 take the excess space.
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*/
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mLayout->setRowStretch(2, 1);
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mLayout->setRowStretch(3, 1);
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mLayout->setColumnStretch(1, 1);
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mLayout->setColumnStretch(2, 0);
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mLayout->setColumnResizable(1);
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mLayout->setRowResizable(2);
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mLayout->setHorizontalSpacing(4);
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mLayout->setVerticalSpacing(2);
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mLayout->setContentsMargins(4, 4, 4, 4);
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}
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Wt::WText *WtApp::createText(const Wt::WString& text)
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{
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Wt::WText *w = new Wt::WText(text);
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Wt::WCssDecorationStyle style;
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style.setBackgroundColor(Wt::WColor(200,200,200));
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w->setDecorationStyle(style);
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return w;
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}
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Wt::WWidget *WtApp::createSelection()
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{
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mSelections = new Wt::WContainerWidget();
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Wt::WGroupBox *gbox1 = new Wt::WGroupBox("Config");
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gbox1->addWidget(createText("Config selection"));
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Wt::WComboBox *cbox1 = new Wt::WComboBox();
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cbox1->addItem("please select");
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cbox1->addItem("System");
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Wt::WGroupBox *gbox2 = new Wt::WGroupBox("Selection Box");
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Wt::WComboBox *cbox2 = new Wt::WComboBox();
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cbox2->addItem("please select");
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cbox2->addItem("Entity 1");
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cbox2->activated().connect(this, &WtApp::choiceChanged);
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mAttrGroup = new AttributeGroup(this);
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Wt::WVBoxLayout* gvbox2 = new Wt::WVBoxLayout();
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gvbox2->addWidget(createText("Test 1"), 0, Wt::AlignTop);
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gvbox2->addWidget(cbox2, 0, Wt::AlignTop);
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gbox2->setLayout(gvbox2);
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mStretch = createText("");
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#if USE_CONTAINER_INSTEAD_OF_LAYOUT
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Wt::WContainerWidget* container = new Wt::WContainerWidget();
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container->addWidget(new SelectionDefinitionTest("Test"));
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container->addWidget(gbox1);
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container->addWidget(cbox1);
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container->addWidget(gbox2);
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container->addWidget(mAttrGroup);
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container->addWidget(mStretch);
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mSelections->addWidget(container);
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#else
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mSelectionLayout = new Wt::WVBoxLayout();
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mSelectionLayout->setContentsMargins(4, 2, 4, 2);
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mSelectionLayout->addWidget(new SelectionDefinitionTest("Test"));
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mSelectionLayout->addWidget(gbox1, 0, Wt::AlignTop);
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mSelectionLayout->addWidget(cbox1, 0, Wt::AlignTop);
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mSelectionLayout->addWidget(gbox2, 0, Wt::AlignTop);
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mSelectionLayout->addWidget(mAttrGroup, 0, Wt::AlignTop);
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mSelectionLayout->addWidget(mStretch, 1);
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mSelections->setLayout(mSelectionLayout);
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#endif
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mSelections->setContentAlignment(Wt::AlignJustify);
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mSelections->setOverflow(Wt::WContainerWidget::OverflowAuto, Wt::Horizontal);
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mSelections->setStyleClass("inputarea");
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mSelections->setMinimumSize(Wt::WLength(150, Wt::WLength::Pixel), Wt::WLength());
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/// Selection MAXIMUM which is not respected by the continents ComboBox
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mSelections->setMaximumSize(Wt::WLength(250, Wt::WLength::Pixel), Wt::WLength());
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return mSelections;
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}
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void WtApp::choiceChanged(int i)
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{
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mSelections->removeWidget(mStretch);
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mSelections->removeWidget(mAttrGroup);
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mSelectionLayout->addWidget(mAttrGroup, 0);
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mSelectionLayout->addWidget(mStretch, 1);
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}
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Wt::WApplication *createApplication(const Wt::WEnvironment& env)
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{
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Wt::WApplication* myApplication = 0;
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myApplication = new WtApp( env );
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return myApplication;
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}
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int main(int argc, char **argv)
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{
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Wt::WRun(argc, argv, &createApplication);
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return 0;
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}
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