Doxymentation for QgsEditorWidgetV2

Author: m-kuhn

src/core/qgsvectorlayer.h

@@ -1284,6 +1284,28 @@ class CORE_EXPORT QgsVectorLayer : public QgsMapLayer
     /**
      * Set the editor widget type for a field
      *
+     * QGIS ships the following widget types, additional types may be available depending
+     * on plugins.
+     *
+     * <ul>
+     * <li>CheckBox (QgsCheckboxWidgetWrapper)</li>
+     * <li>Classification (QgsClassificationWidgetWrapper)</li>
+     * <li>Color (QgsColorWidgetWrapper)</li>
+     * <li>DateTime (QgsDateTimeEditWrapper)</li>
+     * <li>Enumeration (QgsEnumerationWidgetWrapper)</li>
+     * <li>FileName (QgsFileNameWidgetWrapper)</li>
+     * <li>Hidden (QgsHiddenWidgetWrapper)</li>
+     * <li>Photo (QgsPhotoWidgetWrapper)</li>
+     * <li>Range (QgsRangeWidgetWrapper)</li>
+     * <li>RelationReference (QgsRelationReferenceWidgetWrapper)</li>
+     * <li>TextEdit (QgsTextEditWidgetWrapper)</li>
+     * <li>UniqueValues (QgsUniqueValueWidgetWrapper)</li>
+     * <li>UuidGenerator (QgsUuidWidgetWrapper)</li>
+     * <li>ValueMap (QgsValueMapWidgetWrapper)</li>
+     * <li>ValueRelation (QgsValueRelationWidget)</li>
+     * <li>WebView (QgsWebViewWidgetWrapper)</li>
+     * </ul>
+     *
      * @param attrIdx     Index of the field
      * @param widgetType  Type id of the editor widget to use
      */

src/gui/editorwidgets/qgscheckboxwidgetwrapper.h

@@ -21,6 +21,17 @@
 #include <QCheckBox>
 #include <QGroupBox>
 
+/**
+ * Wraps a checkbox widget. This will offer a checkbox to represent boolean values.
+ *
+ * Options:
+ * <ul>
+ * <li><b>CheckedState</b> <i>The value used to represent "True" in the data.</i></li>
+ * <li><b>UncheckedState</b> <i>The value used to represent "False" in the data.</i></li>
+ * </ul>
+ *
+ */
+
 class GUI_EXPORT QgsCheckboxWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT
@@ -32,7 +43,7 @@ class GUI_EXPORT QgsCheckboxWidgetWrapper : public QgsEditorWidgetWrapper
     QVariant value();
 
   protected:
-    QWidget*createWidget( QWidget* parent );
+    QWidget* createWidget( QWidget* parent );
     void initWidget( QWidget* editor );
 
   public slots:

src/gui/editorwidgets/qgscolorwidgetwrapper.h

@@ -20,6 +20,12 @@
 
 #include "qgscolorbutton.h"
 
+
+/**
+ * Wraps a color widget. Users will be able to choose a color.
+ *
+ */
+
 class GUI_EXPORT  QgsColorWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgsdatetimeeditfactory.h

@@ -29,8 +29,8 @@ class GUI_EXPORT QgsDateTimeEditFactory : public QgsEditorWidgetFactory
 
     // QgsEditorWidgetFactory interface
   public:
-    QgsEditorWidgetWrapper *create( QgsVectorLayer *vl, int fieldIdx, QWidget *editor, QWidget *parent ) const;
-    QgsEditorConfigWidget *configWidget( QgsVectorLayer *vl, int fieldIdx, QWidget *parent ) const;
+    QgsEditorWidgetWrapper* create( QgsVectorLayer *vl, int fieldIdx, QWidget *editor, QWidget *parent ) const;
+    QgsEditorConfigWidget* configWidget( QgsVectorLayer *vl, int fieldIdx, QWidget *parent ) const;
     QgsEditorWidgetConfig readConfig( const QDomElement &configElement, QgsVectorLayer *layer, int fieldIdx );
     void writeConfig( const QgsEditorWidgetConfig& config, QDomElement& configElement, QDomDocument& doc, const QgsVectorLayer* layer, int fieldIdx );
     QString representValue( QgsVectorLayer* vl, int fieldIdx, const QgsEditorWidgetConfig& config, const QVariant& cache, const QVariant& value ) const;

src/gui/editorwidgets/qgsdatetimeeditwrapper.cpp

@@ -58,7 +58,7 @@ void QgsDateTimeEditWrapper::initWidget( QWidget *editor )
   if ( !mQDateTimeEdit )
   {
     QgsDebugMsg( "Date/time edit widget could not be initialized because provided widget is not a QDateTimeEdit." );
-    QgsMessageLog::logMessage( "Date/time edit widget could not be initialized because provided widget is not a QDateTimeEdit." , "UI forms", QgsMessageLog::WARNING );
+    QgsMessageLog::logMessage( "Date/time edit widget could not be initialized because provided widget is not a QDateTimeEdit.", "UI forms", QgsMessageLog::WARNING );
     return;
   }
 
@@ -76,7 +76,7 @@ void QgsDateTimeEditWrapper::initWidget( QWidget *editor )
   else
   {
     QgsMessageLog::instance()->logMessage( tr( "The usual date/time widget QDateTimeEdit cannot be configured to allow NULL values. "
-                                           "For that the QGIS custom widget QgsDateTimeEdit is used." ),
+                                           "For that the QGIS custom widget QgsDateTimeEdit needs to be used." ),
                                            "field widgets" );
   }
 

src/gui/editorwidgets/qgsdatetimeeditwrapper.h

@@ -22,6 +22,18 @@
 #include "qgsdatetimeedit.h"
 #include "qgsdatetimeeditfactory.h"
 
+/**
+ * Wraps a date time widget. Users will be able to choose date and time from an appropriate dialog.
+ *
+ * Options:
+ * <ul>
+ * <li><b>display_format</b> <i>The format used to represent the date/time to the user.</i></li>
+ * <li><b>calendar_popup</b> <i>If True, will offer a calendar popup.</i></li>
+ * <li><b>allow_null</b> <i>If True, will allow NULL values. Requires QgsDateTimeEdit as widget (Be aware if you work with .ui files).</i></li>
+ * <li><b>field_format</b> <i>The format used to save the date/time.</i></li>
+ * </ul>
+ *
+ */
 
 class GUI_EXPORT QgsDateTimeEditWrapper : public QgsEditorWidgetWrapper
 {

src/gui/editorwidgets/qgsfilenamewidgetwrapper.h

@@ -22,6 +22,12 @@
 #include <QPushButton>
 #include <QLabel>
 
+
+/**
+ * Wraps a file name widget. Will offer a file browser to choose files.
+ *
+ */
+
 class GUI_EXPORT QgsFileNameWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgshiddenwidgetwrapper.h

@@ -18,6 +18,11 @@
 
 #include "qgseditorwidgetwrapper.h"
 
+/**
+ * Wraps a hidden widget. Fields with this widget type will not be visible.
+ *
+ */
+
 class GUI_EXPORT QgsHiddenWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgsphotowidgetwrapper.h

@@ -22,6 +22,19 @@
 #include <QPushButton>
 #include <QLineEdit>
 
+
+/**
+ * Wraps a photo widget. Will show a picture and a file chooser to change the picture.
+ *
+ * Options:
+ *
+ * <ul>
+ * <li><b>Width</b> <i>The width of the picture widget. If 0 and "Height" &gt; 0 will be determined automatically.</i></li>
+ * <li><b>Height</b> <i>The height of the picture widget. If 0 and "Width" &gt; 0 will be determined automatically.</i></li>
+ * </ul>
+ *
+ */
+
 class GUI_EXPORT QgsPhotoWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgsrangewidgetwrapper.h

@@ -24,6 +24,19 @@
 #include "qgsdial.h"
 #include "qgsslider.h"
 
+/**
+ * Wraps a range widget.
+ *
+ * Options:
+ * <ul>
+ * <li><b>Style</b> <i>Can be "Dial" or "Slider"</i></li>
+ * <li><b>Min</b> <i>The minimal allowed value</i></li>
+ * <li><b>Max</b> <i>The maximal allowed value</i></li>
+ * <li><b>Step</b> <i>The step size when incrementing/decrementing the value</i></li>
+ * </ul>
+ *
+ */
+
 class GUI_EXPORT QgsRangeWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgsrelationreferencewidgetwrapper.h

@@ -19,6 +19,22 @@
 #include "qgsrelationreferencewidget.h"
 #include "qgseditorwidgetwrapper.h"
 
+
+/**
+ * Wraps a relation reference widget.
+ *
+ * Options:
+ * <ul>
+ * <li><b>ShowForm</b> <i>If True, an embedded form with the referenced feature will be shown.</i></li>
+ * <li><b>MapIdentification</b> <i>Will offer a map tool to pick a referenced feature on the map canvas. Only use for layers with geometry.</i></li>
+ * <li><b>ReadOnly</b> <i>If True, will represent the referenced widget in a read-only line edit. Can speed up loading.</i></li>
+ * <li><b>AllowNULL</b> <i>Will offer NULL as a value.</i></li>
+ * <li><b>Relation</b> <i>The ID of the relation that will be used to define this widget.</i></li>
+ * ReadOnly
+ * </ul>
+ *
+ */
+
 class GUI_EXPORT QgsRelationReferenceWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgstexteditwrapper.h

@@ -22,6 +22,17 @@
 #include <QPlainTextEdit>
 #include <QTextEdit>
 
+/**
+ * Wraps a text widget. Users will be able to modify text with this widget type.
+ *
+ * Options:
+ * <ul>
+ * <li><b>IsMultiline</b> <i>If set to True, a multiline widget will be used.</i></li>
+ * <li><b>UseHtml</b> <i>Will represent the content as HTML. Only available for multiline widgets.</i></li>
+ * </ul>
+ *
+ */
+
 class GUI_EXPORT QgsTextEditWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgsuniquevaluewidgetfactory.h

@@ -18,6 +18,17 @@
 
 #include "qgseditorwidgetfactory.h"
 
+
+/**
+ * Wraps a unique value widget. Will offer any value previously used for this field.
+ *
+ * Options:
+ * <ul>
+ * <li><b>Editable</b> <i>If True the user can manually insert new (not yet used) values.</i></li>
+ * </ul>
+ *
+ */
+
 class GUI_EXPORT QgsUniqueValueWidgetFactory : public QgsEditorWidgetFactory
 {
   public:

src/gui/editorwidgets/qgsuuidwidgetfactory.cpp

@@ -24,12 +24,12 @@ QgsUuidWidgetFactory::QgsUuidWidgetFactory( const QString& name )
 }
 
 
-QgsEditorWidgetWrapper*QgsUuidWidgetFactory::create( QgsVectorLayer* vl, int fieldIdx, QWidget* editor, QWidget* parent ) const
+QgsEditorWidgetWrapper* QgsUuidWidgetFactory::create( QgsVectorLayer* vl, int fieldIdx, QWidget* editor, QWidget* parent ) const
 {
   return new QgsUuidWidgetWrapper( vl, fieldIdx, editor, parent );
 }
 
-QgsEditorConfigWidget*QgsUuidWidgetFactory::configWidget( QgsVectorLayer* vl, int fieldIdx, QWidget* parent ) const
+QgsEditorConfigWidget* QgsUuidWidgetFactory::configWidget( QgsVectorLayer* vl, int fieldIdx, QWidget* parent ) const
 {
   return new QgsDummyConfigDlg( vl, fieldIdx, parent, QObject::tr( "Read-only field that generates a UUID if empty." ) );
 }

src/gui/editorwidgets/qgsuuidwidgetwrapper.h

@@ -21,6 +21,13 @@
 #include <QLineEdit>
 #include <QLabel>
 
+
+/**
+ * Wraps a uuid widget. Will create a new UUID if empty or represent the current value if not empty.
+ *
+ */
+
+
 class GUI_EXPORT QgsUuidWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgsvaluemapwidgetwrapper.h

@@ -20,6 +20,19 @@
 
 #include <QComboBox>
 
+
+/**
+ * Wraps a value map widget.
+ *
+ * Options:
+ * <ul>
+ * <li><b>[Key]</b> <i>Value</i></li>
+ * </ul>
+ *
+ * Any option will be treated as entry in the value map.
+ *
+ */
+
 class GUI_EXPORT QgsValueMapWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgsvaluerelationwidgetwrapper.h

@@ -23,6 +23,26 @@
 
 class QgsValueRelationWidgetFactory;
 
+/**
+ * Wraps a value relation widget. This widget will offer a combobox with values from another layer
+ * referenced by a foreign key (a constraint may be set but is not required on data level).
+ * This is useful for having value lists on a separate layer containing codes and their
+ * translation to human readable names.
+ *
+ * Options:
+ *
+ * <ul>
+ * <li><b>Layer</b> <i>The id of the referenced layer.</i></li>
+ * <li><b>Key</b> <i>The key field on the referenced layer (code).</i></li>
+ * <li><b>Value</b> <i>The value field on the referenced layer (human readable name).</i></li>
+ * <li><b>AllowMulti</b> <i>If set to True, will allow multiple selections. This requires the data type to be a string. This does NOT work with normalized database structures.</i></li>
+ * <li><b>AllowNull</b> <i>Will offer NULL as a possible value.</i></li>
+ * <li><b>FilterExpression</b> <i>If not empty, will be used as expression. Only if this evaluates to True, the value will be shown.</i></li>
+ * <li><b>OrderByValue</b> <i>Will order by value instead of key.</i></li>
+ * </ul>
+ *
+ */
+
 class GUI_EXPORT QgsValueRelationWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT

src/gui/editorwidgets/qgswebviewwidgetwrapper.h

@@ -22,6 +22,11 @@
 #include <QLineEdit>
 #include <QPushButton>
 
+/**
+ * Wraps a web view widget. Will show the content available at the URL of the value in a web browser.
+ *
+ */
+
 class GUI_EXPORT QgsWebViewWidgetWrapper : public QgsEditorWidgetWrapper
 {
     Q_OBJECT