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| == ModelView framework in Marble ==
| | {{ Moved To Community }} |
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| Marble uses Qt's Model/View framework as a way to signal updates to a model to interested parts. In that respect, a Model class can wrap any possible data.
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| Here is the list of Model class, and a description of how they are used.
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| === QAbstractItemModel ===
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| * {{class|GeoDataDebugModel|kdeedu|4.x}}
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| It represents a data file, parsed into a {{class|GeoDataDocument|kdeedu|4.x}} tree structure.
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| It is used by the {{class|DataViewPlugin|kdeedu|4.x}} debug plugin (and is broken atm)
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| * {{class|GpxFileModel|kdeedu|4.x}}
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| It represents a list of gpx data file represented as {{class|GpxFile|kdeedu|4.x}}
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| This was originally intended to but used as the model for the File List View ( which is accessible by running marble with --enableFileView ) but has since been replaced by another, more centralised, File Model. This new File Model is located in {{class|PlacemarkManager|kdeedu|4.x}}.
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| The model that is in the GpsLayer is currently only being used as a collection class and is deprecated. This, along with the whole current GPX implementation, needs to be removed and updated to the current concepts in Marble. See [[Projects/Marble/GPXStatus|Gpx Status]]
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| * {{class|MarbleGeometryModel|kdeedu|4.x}}
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| It represents the {{class|GeoDataGeometry|kdeedu}} and the {{class|GeoDataFeature|kdeedu|4.x}} items of the {{class|GeoDataDocument|kdeedu|4.x}} which contains all Placemarks.
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| It is used by the {{class|GeoRenderPlugin|kdeedu|4.x}} to access the list of placemarks.
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| === QAbstractListModel ===
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| * {{class|FileViewModel|kdeedu|4.x}}
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| It represents the list of files opened. The {{class|PlacemarkManager|kdeedu|4.x}} appends the documents it opens, and the {{class|MarbleWidget|kdeedu}} appends the gpx files it opens.
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| It is used by the {{class|FileViewFloatItem|kdeedu|4.x}} and manipulated by the {{class|PlaceMarkManager|kdeedu|4.x}} and the {{class|MarbleModel|kdeedu|4.x}}.
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| * {{class|MarbleGeoDataModel|kdeedu|4.x}}
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| It represents a list of {{class|GeoDataDocuments|kdeedu|4.x}}. Only the {{class|PlacemarksPlugin|kdeedu|4.x}} uses it
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| It is used by no other code.
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| * {{class|MarblePlacemarkModel|kdeedu|4.x}}
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| It represents
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| It is used by
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