<< 点击显示目录 >> 主页 mappView帮助助手 > mapp View帮助信息 > Widgets > Media > PDFViewer > Actions and events |
The following section describes the possible actions and events for the widget.
Name |
Description |
Arguments |
GoToPage |
Navigates to the specified page in the PDF document. |
•value: UInteger "value" is the number of the page to be displayed. |
SetSrc |
Sets the path to the PDF document. Text keys from the text system (e.g. "$IAT/TextID") or texts put together as a string using operands (e.g. "=myStringOperand") can be used. |
•value: String Relative path to the PDF document to be displayed, e.g. "Media/Manual.pdf". |
SetVisible |
Controls the visibility of the widget. |
•value: Boolean Visible if the value is true. Otherwise, invisible. |
SetEnable |
Controls the usability of the widget. |
•value: Boolean Enabled if the value is true. Otherwise, disabled. |
SetStyle |
Sets a predefined style for the widget. |
•value: StyleReference |
ShowTooltip |
Mode "Tooltip" can be enabled using this action. When enabled, a tooltip indicator appears inside the widget. For this, a text must be configured in property "Tooltip". This text is displayed when the indicator is selected. Any other operation of a widget terminates mode "Tooltip". |
|
ClearSrc |
Deletes the path to the PDF document and removes it from widget "PDFViewer". |
|
Focus |
Sets the focus to the widget when keyboard operation is enabled. |
|
Name |
Description |
Arguments |
EnableChanged |
Triggered when the usability of the widget is changed. This can be changed using various options: 1) Using property enable (binding or via widget action SetEnable) 2) Using property permissionOperate 3) Using usability properties (enable, permissionOperate, OPC UA variable) of the surrounding container widget 4) Using a bound OPC UA variable with write permissions that have been changed. |
•value: Boolean "value" defines the usability of the widget. If true is returned, the widget can be used; if false, it cannot be used. |
VisibleChanged |
Triggers when the visibility of the widget is changed. This can be changed using various options: 1) Using property visible (binding or via widget action SetVisible) 2) Using property permissionView 3) Using the visibility properties (visible, permissionView) of the surrounding container widget |
•value: Boolean "value" defines the visibility of the widget. If true is returned, the widget is displayed; if false, it is not displayed. |
OnDragEnter |
Triggers when a dragged widget is moved over the target widget. |
•widgetId: String "widgetId" contains the ID of the widget that performed the drag operation. •contentId: String "contentId" contains the ID of the piece of content whose widget performed the drag operation. |
OnDragLeave |
Triggers when a dragged widget is dragged away from the target widget. |
•widgetId: String "widgetId" contains the ID of the widget that performed the drag operation. •contentId: String "contentId" contains the ID of the piece of content whose widget performed the drag operation. |
OnDrop |
Triggers when a dragged widget is released on the target widget. For the definition of drag-and-drop and an explanation of how these events can be used, see here. |
•widgetId: String "widgetId" contains the ID of the widget that performed the drag operation. •contentId: String "contentId" contains the ID of the piece of content whose widget performed the drag operation. |
FocusIn |
Triggered when a widget gets the focus. |
|
FocusOut |
Triggered when a widget loses focus. |
|