ImageModel QML Type | Qt Location 5.15.19 (original) (raw)
The ImageModel type provides a model of place images. More...
Import Statement: | import QtLocation 5.15 |
---|---|
Since: | QtLocation 5.5 |
Properties
- ****batchSize** : int
- ****place** : Place
- ****totalCount** : int
Detailed Description
The ImageModel is a read-only model used to fetch images related to a Place. Binding a Place via ImageModel::place initiates an initial fetch of images. The model performs fetches incrementally and is intended to be used in conjunction with a View such as a ListView. When the View reaches the last of the images currently in the model, a fetch is performed to retrieve more if they are available. The View is automatically updated as the images are received. The number of images which are fetched at a time is specified by the batchSize property. The total number of images available can be accessed via the totalCount property.
The model returns data for the following roles:
Role | Type | Description |
---|---|---|
url | url | The URL of the image. |
imageId | string | The identifier of the image. |
mimeType | string | The MIME type of the image. |
supplier | Supplier | The supplier of the image. |
user | User | The user who contributed the image. |
attribution | string | Attribution text which must be displayed when displaying the image. |
Example
The following example shows how to display images for a place:
import QtQuick 2.0 import QtPositioning 5.5 import QtLocation 5.6
ImageModel { id: imageModel batchSize: 3 place: place }
ListView { anchors.top: parent.top width: parent.width spacing: 10
model: imageModel
orientation: ListView.Horizontal
snapMode: ListView.SnapOneItem
delegate: Item {
width: listView.width
height: listView.height
[Image](qml-qtquick-image.html) {
anchors.fill: parent
source: url
fillMode: Image.PreserveAspectFit
}
[Text](qml-qtquick-text.html) {
text: supplier.name + "\n" + supplier.url
width: parent.width
anchors.bottom: parent.bottom
}
}
}
Property Documentation
This property holds the batch size to use when fetching more image items.
This property holds the Place that the images are for.
This property holds the total number of image items for the place.
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