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VTS Browser UI API
David Levinsky edited this page Apr 17, 2017
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1 revision
This module provides methods for user interface.
| Method | Returns | Description |
|---|---|---|
| getControl(<String> id) | Control | Get UI control. The map browser has these built in controls: "compass", "scale", "zoom", "layers" |
| addControl(<String> id, <String> html, <Bool> visible) | Control | Creates a new UI control. Content of the control is defined by an HTML string. |
| removeControl(<String> id) | null | Removes a UI control. |
| getMapElement() | Element | Returns the element used for displaying the map. This element is usable for listening for events (mouse, touch, ...). |
| Method | Returns | Description |
|---|---|---|
| setVisible(<Bool> state) | Control | Set UI control visibility state. |
| getVisible() | Bool | Get UI control visibility state. |
| setHtml(<String> id, <String> html) | Control | Sets HTML content of the UI control. |
| getElement(<String> id) | Element | Get UI control element by HTML element id. |
| Method | Returns | Description |
|---|---|---|
| setStyle(<String> key, <String> value) | Element | Sets element style. |
| getStyle(<String> key) | String | Returns element style. |
| setClass(<String> name) | Element | Sets element class. |
| getClass() | String | Returns element class. |
| hasClass(<String> name) | Bool | Returns whether element has class. |
| addClass(<String> name) | Element | Adds a class to element classes. |
| removeClass(<String> name) | Element | Removes a class from element classes. |
| on(<String> eventName, <Function> callback) | Element | Adds an event listener to the element. The event names are the same as DOM event names. Callback is called with Event object as a parameter. Additional event names "drag", "dragstart", "dragend" can be used when dragging events are enabled by setDraggableState. |
| once(<String> eventName, <Function> callback) | Element | Adds an event listener to the element. This event listener is automatically removed when the callback occurs. |
| off(<String> eventName, <Function> callbak) | Element | Removes an event listener from the element. |
| fire(<String> eventName, <Object> data) | Element | Calls an event listener with custom event data. |
| setDraggableState(<Bool> state) | Element | Sets whether dragging events are enabled. Dragging events are: "drag", "dragstart", "dragend". |
| getDraggableState() | Bool | Returns whether dragging events are enabled. |
| getDraggingState() | DraggingState | Returns the state of dragging. |
| Method | Returns | Description |
|---|---|---|
| getMouseButton() | String | Returns the name of mouse button used. Possible values are: "left", "right", "middle". This event method is supported for the following events: "mousedown", "mouseup". |
| getMouseCoords() | Array | Returns coordinates of the mouse cursor [X,Y]. This event method is supported for the following events: "mousedown", "mouseup", "mousemove", "dragstart", "dragend", "drag". |
| getDragDelta() | Array | Returns drag delta [DX,DY]. This event method is supported for the "drag" event. |
| getDragButton(<String> button) | Bool | Returns whether the mouse button is pressed. Possible button names are: "left", "right", "middle". This event method is supported for the following events: "dragstart", "dragend", "drag". |
| getWheelDelta() | Number | Returns wheel delta. This event method is supported for the "mousewheel" event. |
| getTouchesCount() | Number | Returns the number of interacting touches. This event method is supported for the following events: "touchstart", "touchend", "touchmove". |
| getTouchCoords(<Number> index) | Array | Returns the coordinates of the touch point [X,Y]. This event method is supported for the following events: "touchstart", "touchend", "touchmove". |