Använda Kirigami galleri

Använda Kirigami galleri för att hitta kodmönster

Kirigami Gallery is a helpful friend when developing a Kirigami application. It is an application that uses core Kirigami features, provides links to the source code, tips on how to use Kirigami components, and links to the corresponding HIG pages.

Finding a card grid

Navigating through the Kirigami Gallery application, we will stumble upon the "Grid view with cards" gallery component. This is an example that can be applied to multiple use cases, such as contact cards.

List of kirigami gallery components

After selecting the "Grid view of cards" gallery component, if we click the "Info" button on the top right, we will get some useful information about the Card and Abstract Card types.

Kirigami gallery grid view

In the bottom section of this information dialog we will also find a link to the source code of the "Cards Grid View". Let's navigate to this page.

Implementing a card grid

We will reuse most of the code found in the source code of the CardsGridViewGallery component. In particular, we will remove the extra parts of the OverlaySheet (which is the pop-up we used to reach the kirigami-gallery source code repository).

So, we are going to substitute the Page component of main.qml of our skeleton app with the below ScrollablePage :

Kirigami.ScrollablePage {
    title: i18n("Address book (prototype)")

    Kirigami.CardsGridView {
        id: view

        model: ListModel {
            id: mainModel
        }

        delegate: card
    }
}

What we have done so far is to create a ScrollablePage and put a CardsGridView into it, since we want to display a grid of Cards generated from a model. The data of each contact is provided by a ListModel while the card delegate is responsible for the presentation of the data. For more info about models and views in Qt Quick, see here.

Now let's populate the model that will feed our grid view with data. In the definition of Kirigami.ScrollablePage , just after:

      delegate: card
    }

add the following:

Component.onCompleted: {
    mainModel.append({
        "firstname": "Pablo",
        "lastname": "Doe",
        "cellphone": "6300000002",
        "email" : "jane-doe@example.com",
        "photo": "qrc:/konqi.jpg"
    });
    mainModel.append({
        "firstname": "Paul",
        "lastname": "Adams",
        "cellphone": "6300000003",
        "email" : "paul-adams@example.com",
        "photo": "qrc:/katie.jpg"
    });
    mainModel.append({
        "firstname": "John",
        "lastname": "Doe",
        "cellphone": "6300000001",
        "email" : "john-doe@example.com",
        "photo": "qrc:/konqi.jpg"
    });
    mainModel.append({
        "firstname": "Ken",
        "lastname": "Brown",
        "cellphone": "6300000004",
        "email" : "ken-brown@example.com",
        "photo": "qrc:/konqi.jpg"
    });
    mainModel.append({
        "firstname": "Al",
        "lastname": "Anderson",
        "cellphone": "6300000005",
        "email" : "al-anderson@example.com",
        "photo": "qrc:/katie.jpg"
    });
    mainModel.append({
        "firstname": "Kate",
        "lastname": "Adams",
        "cellphone": "6300000005",
        "email" : "kate-adams@example.com",
        "photo": "qrc:/konqi.jpg"
    });
}

The model part of our implementation is ready. Let's proceed to defining a delegate that will be responsible for displaying the data. So, we add the following code to the main.qml page, just after the Component.onCompleted definition:

Component {
    id: card

    Kirigami.Card {

        height: view.cellHeight - Kirigami.Units.largeSpacing

        banner {
            title: model.firstname + " " + model.lastname
            titleIcon: "im-user"
        }

        contentItem: Column {
            id: content

            spacing: Kirigami.Units.smallSpacing

            Controls.Label {
                wrapMode: Text.WordWrap
                text: "Mobile: " + model.cellphone
            }

            Controls.Label {
                wrapMode: Text.WordWrap
                text: "Email: " + model.email
            }
        }
    }
}

Following the related information on the Kirigami.Card API page , we populate a " banner " that will act as a header to display the name of the contact as well as a contact icon.

The main content of the card has been populated with the cell phone number and the email of the contact, structured as a Column of Labels .

Programmet ska se ut så här:

Enkelt rutnät av kort

As a last step we will add some dummy functionality to each card. In particular, a call Action will be added. Nevertheless, instead of a real call, a passive notification will be displayed. So, let's change the card component to the following:

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            Component {
                id: card
                Kirigami.Card {
                    height: view.cellHeight - Kirigami.Units.largeSpacing
                    banner {
                        title: model.firstname + " " + model.lastname      
                        titleIcon: "im-user"
                    }
                    contentItem: Column {
                        id: content
                        spacing: Kirigami.Units.smallSpacing

                        Controls.Label {
                            wrapMode: Text.WordWrap
                            text: "Mobile: " + model.cellphone
                        }

                        Controls.Label {
                            wrapMode: Text.WordWrap
                            text: "Email: " + model.email
                        }
                    }

                    actions: [
                        Kirigami.Action {
                            text: "Call"
                            icon.name: "call-start"
                            onTriggered: {
                                showPassiveNotification("Calling " + model.firstname + " " + model.lastname + " ...")
                            }
                        }

So, we added a Kirigami.Action that, as soon as it is triggered (by pressing the action button), displays a passive notification .

Result

Slutligen ska vårt program se ut så här:

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import QtQuick 2.15
import org.kde.kirigami 2.20 as Kirigami
import QtQuick.Controls 2.15 as Controls

Kirigami.ApplicationWindow {
    id: root
    title: "Kirigami Tutorial"
    pageStack.initialPage: mainPageComponent

    Component {
        id: mainPageComponent

        Kirigami.ScrollablePage {
            title: "Address book (prototype)"
            
            Kirigami.CardsGridView{
                id: view
                model: ListModel {
                    id: mainModel
                }
                delegate: card
            }

            Component.onCompleted: {
                mainModel.append({
                    "firstname": "Pablo",
                    "lastname": "Doe",
                    "cellphone": "6300000002",
                    "email" : "jane-doe@example.com",
                    "photo": "qrc:/konqi.jpg"
                });
                mainModel.append({
                    "firstname": "Paul",
                    "lastname": "Adams",
                    "cellphone": "6300000003",
                    "email" : "paul-adams@example.com",
                    "photo": "qrc:/katie.jpg"
                });
                mainModel.append({
                    "firstname": "John",
                    "lastname": "Doe",
                    "cellphone": "6300000001",
                    "email" : "john-doe@example.com",
                    "photo": "qrc:/konqi.jpg"
                });
                mainModel.append({
                    "firstname": "Ken",
                    "lastname": "Brown",
                    "cellphone": "6300000004",
                    "email" : "ken-brown@example.com",
                    "photo": "qrc:/konqi.jpg"
                });
                mainModel.append({
                    "firstname": "Al",
                    "lastname": "Anderson",
                    "cellphone": "6300000005",
                    "email" : "al-anderson@example.com",
                    "photo": "qrc:/katie.jpg"
                });
                mainModel.append({
                    "firstname": "Kate",
                    "lastname": "Adams",
                    "cellphone": "6300000005",
                    "email" : "kate-adams@example.com",
                    "photo": "qrc:/konqi.jpg"
                });
            }

            Component {
                id: card
                Kirigami.Card {
                    height: view.cellHeight - Kirigami.Units.largeSpacing
                    banner {
                        title: model.firstname + " " + model.lastname      
                        titleIcon: "im-user"
                    }
                    contentItem: Column {
                        id: content
                        spacing: Kirigami.Units.smallSpacing

                        Controls.Label {
                            wrapMode: Text.WordWrap
                            text: "Mobile: " + model.cellphone
                        }

                        Controls.Label {
                            wrapMode: Text.WordWrap
                            text: "Email: " + model.email
                        }
                    }

                    actions: [
                        Kirigami.Action {
                            text: "Call"
                            icon.name: "call-start"
                            onTriggered: {
                                showPassiveNotification("Calling " + model.firstname + " " + model.lastname + " ...")
                            }
                        }                                        
                    ]
                }
            }
        }
    }
}

Rutnät med anropande åtgärd utlöst

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