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## com.gwtext.client.widgets.map
Class MapPanel

    java.lang.Object
      com.google.gwt.user.client.ui.UIObject
          com.google.gwt.user.client.ui.Widget
              com.gwtext.client.widgets.Component
                  com.gwtext.client.widgets.BoxComponent
                      com.gwtext.client.widgets.Container
                          com.gwtext.client.widgets.Panel
                              com.gwtext.client.widgets.map.MapPanel

All Implemented Interfaces:
  com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.HasWidgets, Observable

Direct Known Subclasses:
  FreeEarthMap, GoogleMap, Map24Map, MapQuestMap, MicrosoftMap, MultiMap, OpenLayersMap, OpenStreetMap, YahooMap

    public abstract class MapPanel

extends Panel

Base Map Panel for various map providers. This class adds support for the Mapstraction library.

Mapstraction is a library that provides a common API for various mapping APIs to enable switching from one to another as smoothly as possible. Developers can code their applications once, and then easily switch mapping provider based on project needs, terms and conditions, and new functionality.

Users can switch maps as desired based on personal taste and quality of maps in their local area. Various tools built on top of Mapstraction allow users to easily integrate maps into their own sites, and configure them with different controls, styles, and provider.

Field Summary
`static com.gwtext.client.widgets.map.MapPanel.FilterOperator` | `GE`
`static com.gwtext.client.widgets.map.MapPanel.MapType` | `HYBRID`
`static com.gwtext.client.widgets.map.MapPanel.FilterOperator` | `LE`
`static java.lang.String` | `MAP_RENDERED_EVENT`
`protected com.google.gwt.core.client.JavaScriptObject` | `mapJS`
`static com.gwtext.client.widgets.map.MapPanel.MapType` | `ROAD`
`static com.gwtext.client.widgets.map.MapPanel.MapType` | `SATELLITE`

Fields inherited from class com.gwtext.client.widgets.Component
`config, id`

Constructor Summary
`MapPanel()` Create a new MapPanel.

Method Summary
`void` | `add(Component component)` Add a component to this Panel.
`void` | `add(Component component, int top, int right)` Add an absolutely positioned component over the map panel at the specificed location.
`void` | `addEventListener(java.lang.String event, Function listener)`
`void` | `addFilter(java.lang.String field, com.gwtext.client.widgets.map.MapPanel.FilterOperator operator, double value)` Adds a marker filter.
`void` | `addFilter(java.lang.String field, com.gwtext.client.widgets.map.MapPanel.FilterOperator operator, int value)` Adds a marker filter.
`void` | `addFilter(java.lang.String field, com.gwtext.client.widgets.map.MapPanel.FilterOperator operator, java.lang.String value)` Adds a marker filter.
`void` | `addImageOverlay(java.lang.String id, java.lang.String imageURL, int opacity, double west, double south, double east, double north)` Layers an georeferenced image over the map.
`void` | `addLargeControls()` Adds a large map panning control and zoom buttons to the map.
`void` | `addMapTypeControls()` Adds a map type control to the map (streets, aerial imagery etc) Supported by: yahoo, google, openstreetmap, multimap, mapquest.
`void` | `addMarker(Marker marker)` Adds a marker pin to the map.
`void` | `addOverlay(java.lang.String overlayURL)` Adds a GeoRSS or KML overlay to the map.
`void` | `addOverlay(java.lang.String overlayURL, boolean autoCenterAndZoom)` Adds a GeoRSS or KML overlay to the map.
`void` | `addPolyline(Polyline polyline)` Adds a polyline to the map.
`void` | `addSmallControls()` Adds a small map panning control and zoom buttons to the map.
`protected void` | `afterRender()` Template method that is called after the Component has been renedered.
`void` | `autoCenterAndZoom()` Sets the center and zoom of the map to the smallest bounding box containing all markers
`void` | `doFilter()` Executes all filters added since last call
`protected abstract com.google.gwt.core.client.JavaScriptObject` | `doRenderMap(com.google.gwt.user.client.Element element)`
`void` | `doResize()`
`BoundingBox` | `getBounds()` The maps bounding box.
`LatLonPoint` | `getCenter()` The center of the map.
`com.google.gwt.core.client.JavaScriptObject` | `getMap()` Return the native map object.
`int` | `getZoom()` The zoom level of the map.
`int` | `getZoomLevelForBoundingBox(BoundingBox boundingBox)` This method should be called only after the map has been rendered.
`protected void` | `initComponent()` This template method is called after the Component has been instantiated but before it's rendered.
`void` | `removeAllMarkers()` This method should be called only after the map has been rendered.
`void` | `removeAllPolylines()` This method should be called only after the map has been rendered.
`void` | `removeMarker(Marker marker)` This method should be called only after the map has been rendered.
`void` | `removePolyline(Polyline polyline)` This method should be called only after the map has been rendered.
`void` | `resizeTo(int width, int height)` This method should be called only after the map has been rendered.
`void` | `setCenterAndZoom(LatLonPoint latLonPoint, int zoom)`
`void` | `setDragging(boolean dragging)` Enable/disable dragging of the map (only implemented for yahoo and google) Supported by: yahoo, google, openstreetmap, multimap.
`void` | `setHeight(int height)` The height of this component in pixels (defaults to auto).
`void` | `setMapType(com.gwtext.client.widgets.map.MapPanel.MapType mapType)` Sets the imagery type for the map.
`void` | `setWidth(int width)` The component width.

Methods inherited from class com.gwtext.client.widgets.Panel
`addButton, addListener, addTool, collapse, collapse, create, expand, expand, getBaseCls, getBody, getBodyStyle, getBodyWrap, getBottomToolbar, getCollapsedCls, getCollapseFirst, getConfigPrototype, getFloating, getFooter, getFrameHeight, getFrameWidth, getHeader, getHtml, getIconCls, getInnerHeight, getInnerWidth, getMinButtonWidth, getShadowOffset, getTabCls, getTitle, getTopToolbar, getUpdateManager, getXType, isAnimCollapse, isAutoScroll, isBodyBorder, isBorder, isClosable, isCollapsed, isCollapsible, isFrame, isHeader, isHeaderAsText, isHideCollapseTool, isMaskDisabled, isShadow, isShim, isTitleCollapse, load, load, setAnimCollapse, setAutoLoad, setAutoLoad, setAutoScroll, setBaseCls, setBodyBorder, setBodyStyle, setBorder, setBottomToolbar, setBottomToolbar, setBottomToolbar, setButtonAlign, setButtons, setClosable, setCollapsed, setCollapsedCls, setCollapseFirst, setCollapsible, setContentEl, setDraggable, setFloating, setFooter, setFrame, setHeader, setHeaderAsText, setHideCollapseTool, setHtml, setIconCls, setMargins, setMargins, setMaskDisabled, setMinButtonWidth, setPaddings, setPaddings, setShadow, setShadow, setShadowOffset, setShim, setTabCls, setTitle, setTitle, setTitleCollapse, setTools, setTopToolbar, setTopToolbar, setTopToolbar, toggleCollapse, toggleCollapse`

Methods inherited from class com.gwtext.client.widgets.Container
`add, add, add, addListener, bubble, cascade, clear, doLayout, doLayout, findBy, findByID, findByType, getActiveItem, getActiveItemID, getAutoDestroy, getBufferResize, getComponent, getComponent, getComponents, getHideBorders, getItems, getLayout, getMonitorResize, insert, iterator, remove, remove, remove, remove, removeAll, removeAll, setActiveItem, setActiveItemID, setAutoDestroy, setBufferResize, setDefaults, setHideBorders, setLayout, setMonitorResize`

Methods inherited from class com.gwtext.client.widgets.BoxComponent
`addListener, doOnRender, doOnRender, getAutoHeight, getAutoWidth, getBox, getBox, getHeight, getPosition, getPosition, getSize, getWidth, setAutoHeight, setAutoWidth, setHeight, setPagePosition, setPosition, setSize, setSize, setWidth, syncSize, updateBox`

Methods inherited from class com.gwtext.client.widgets.Component
`addClass, addClassCreated, addEvent, addEvents, addListener, addListener, addListener, addPlugin, addStyleDependentName, addStyleName, beforeDestroy, check, cloneComponent, cloneComponent, cloneConfig, destroy, disable, enable, equals, error, findParentBy, findParentByType, fireEvent, focus, focus, focus, getApplyTo, getAttribute, getAttributeAsBoolean, getAttributeAsFloat, getAttributeAsInt, getAttributeAsJavaScriptObject, getAutoShow, getCls, getComponentJS, getConfig, getCtCls, getDisabledClass, getEl, getElement, getElement, getElement, getHideMode, getHideParent, getId, getItemId, getJsObj, getOffsetHeight, getOffsetWidth, getOrCreateJsObj, getOwnerContainer, getRenderTo, getStateEvents, getStateId, getStyleElement, getXTypes, hashCode, hide, isCreated, isDisabled, isHidden, isRendered, isVisible, isXType, isXType, onDestroy, purgeListeners, removeClass, removeStyleDependentName, removeStyleName, render, render, render, render, render, render, resumeEvents, setApplyTo, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAttribute, setAutoEl, setAutoEl, setAutoShow, setCls, setCtCls, setDisabled, setDisabledClass, setEl, setEl, setHideMode, setHideParent, setId, setRenderTo, setRenderToID, setStateEvents, setStateId, setStyle, setStyle, setStyleName, setStylePrimaryName, setVisible, show, suspendEvents`

Methods inherited from class com.google.gwt.user.client.ui.Widget
`doAttachChildren, doDetachChildren, getParent, isAttached, onAttach, onBrowserEvent, onDetach, onLoad, onUnload, removeFromParent, setElement`

Methods inherited from class com.google.gwt.user.client.ui.UIObject
`getAbsoluteLeft, getAbsoluteTop, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, isVisible, setPixelSize, setStyleName, setStyleName, setStylePrimaryName, setVisible, sinkEvents, toString, unsinkEvents`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Field Detail

### mapJS

    protected com.google.gwt.core.client.JavaScriptObject mapJS

### MAP_RENDERED_EVENT

    public static final java.lang.String MAP_RENDERED_EVENT

See Also:
  Constant Field Values

### GE

    public static com.gwtext.client.widgets.map.MapPanel.FilterOperator GE

### LE

    public static com.gwtext.client.widgets.map.MapPanel.FilterOperator LE

### ROAD

    public static com.gwtext.client.widgets.map.MapPanel.MapType ROAD

### SATELLITE

    public static com.gwtext.client.widgets.map.MapPanel.MapType SATELLITE

### HYBRID

    public static com.gwtext.client.widgets.map.MapPanel.MapType HYBRID

Constructor Detail

### MapPanel

    public MapPanel()

  Create a new MapPanel.

Method Detail

### afterRender

    protected void afterRender()

  Description copied from class: `Component`
  Template method that is called after the Component has been renedered.

  Overrides:
    `afterRender` in class `Component`

### initComponent

    protected void initComponent()

  Description copied from class: `Component`
  This template method is called after the Component has been instantiated but before it's rendered. Subclasses can override it to provide any "constructor" type logic thats desired/

  Overrides:
    `initComponent` in class `Component`

### doRenderMap

    protected abstract com.google.gwt.core.client.JavaScriptObject doRenderMap(com.google.gwt.user.client.Element element)

### setWidth

    public void setWidth(int width)

  Description copied from class: `BoxComponent`
  The component width. (defaults to auto)

  Overrides:
    `setWidth` in class `BoxComponent`
  Parameters:
    `width` - the width, -1 for auto

### setHeight

    public void setHeight(int height)

  Description copied from class: `BoxComponent`
  The height of this component in pixels (defaults to auto).

  Overrides:
    `setHeight` in class `BoxComponent`
  Parameters:
    `height` - the component height

### doResize

    public void doResize()

### addEventListener

    public void addEventListener(java.lang.String event,
                                 Function listener)

### addFilter

    public void addFilter(java.lang.String field,
                          com.gwtext.client.widgets.map.MapPanel.FilterOperator operator,
                          java.lang.String value)

  Adds a marker filter.

  Parameters:
    `field` - the name of attribute to filter on
    `operator` - the filter operator
    `value` - the value to compare against

### addFilter

    public void addFilter(java.lang.String field,
                          com.gwtext.client.widgets.map.MapPanel.FilterOperator operator,
                          int value)

  Adds a marker filter.

  Parameters:
    `field` - the name of attribute to filter on
    `operator` - the filter operator
    `value` - the value to compare against

### addFilter

    public void addFilter(java.lang.String field,
                          com.gwtext.client.widgets.map.MapPanel.FilterOperator operator,
                          double value)

  Adds a marker filter.

  Parameters:
    `field` - the name of attribute to filter on
    `operator` - the filter operator
    `value` - the value to compare against

### addOverlay

    public void addOverlay(java.lang.String overlayURL)

  Adds a GeoRSS or KML overlay to the map. Some flavors of GeoRSS and KML are not supported by some of the Map providers

  Parameters:
    `overlayURL` - adds a GeoRSS or KML overlay to the map

### setMapType

    public void setMapType(com.gwtext.client.widgets.map.MapPanel.MapType mapType)

  Sets the imagery type for the map.

  Parameters:
    `mapType` - the map type

### addOverlay

    public void addOverlay(java.lang.String overlayURL,
                           boolean autoCenterAndZoom)

  Adds a GeoRSS or KML overlay to the map. Some flavors of GeoRSS and KML are not supported by some of the Map providers

  Parameters:
    `overlayURL` - adds a GeoRSS or KML overlay to the map
    `autoCenterAndZoom` - true to auto center and zoom after the feed is loaded

### addImageOverlay

    public void addImageOverlay(java.lang.String id,
                                java.lang.String imageURL,
                                int opacity,
                                double west,
                                double south,
                                double east,
                                double north)

  Layers an georeferenced image over the map.

  Parameters:
    `id` - unique ID of the image overlay
    `imageURL` - url of image
    `opacity` - 0-100
    `west` - the west boundary
    `south` - the south boundary
    `east` - the east boundary
    `north` - the north boundary

### addLargeControls

    public void addLargeControls()

  Adds a large map panning control and zoom buttons to the map. Supported by: yahoo, google, openstreetmap, multimap, mapquest.

### addMapTypeControls

    public void addMapTypeControls()

  Adds a map type control to the map (streets, aerial imagery etc) Supported by: yahoo, google, openstreetmap, multimap, mapquest.

### addMarker

    public void addMarker(Marker marker)

  Adds a marker pin to the map.

  Parameters:
    `marker` - the marker to add

### addPolyline

    public void addPolyline(Polyline polyline)

  Adds a polyline to the map.

  Parameters:
    `polyline` - the polyline to add

### addSmallControls

    public void addSmallControls()

  Adds a small map panning control and zoom buttons to the map. Supported by: yahoo, google, openstreetmap, multimap, mapquest.

### autoCenterAndZoom

    public void autoCenterAndZoom()

  Sets the center and zoom of the map to the smallest bounding box containing all markers

### doFilter

    public void doFilter()

  Executes all filters added since last call

### setDragging

    public void setDragging(boolean dragging)

  Enable/disable dragging of the map (only implemented for yahoo and google) Supported by: yahoo, google, openstreetmap, multimap.

  Parameters:
    `dragging` - true to enable dragging

### getBounds

    public BoundingBox getBounds()

  The maps bounding box. This method should be called only after the map has been rendered.

  Returns:
    the BoundingBox

### getCenter

    public LatLonPoint getCenter()

  The center of the map. This method should be called only after the map has been rendered.

  Returns:
    the center

### getMap

    public com.google.gwt.core.client.JavaScriptObject getMap()

  Return the native map object. This method should be called only after the map has been rendered.

  Returns:
    this native map

### getZoom

    public int getZoom()

  The zoom level of the map.

  Returns:
    the zoom level of the map

### getZoomLevelForBoundingBox

    public int getZoomLevelForBoundingBox(BoundingBox boundingBox)

  This method should be called only after the map has been rendered.

  Parameters:
    `boundingBox` - the bounding box
  Returns:
    zoom level

### removeMarker

    public void removeMarker(Marker marker)

  This method should be called only after the map has been rendered.

### removeAllMarkers

    public void removeAllMarkers()

  This method should be called only after the map has been rendered.

### removePolyline

    public void removePolyline(Polyline polyline)

  This method should be called only after the map has been rendered.

### removeAllPolylines

    public void removeAllPolylines()

  This method should be called only after the map has been rendered.

### resizeTo

    public void resizeTo(int width,
                         int height)

  This method should be called only after the map has been rendered.

  Parameters:
    `width` - thw width
    `height` - the height

### setCenterAndZoom

    public void setCenterAndZoom(LatLonPoint latLonPoint,
                                 int zoom)

### add

    public void add(Component component)

  Add a component to this Panel.

  Overrides:
    `add` in class `Container`
  Parameters:
    `component` - the component to add

### add

    public void add(Component component,
                    int top,
                    int right)

  Add an absolutely positioned component over the map panel at the specificed location.

  Parameters:
    `component` - the component to add
    `top` - the top coordinate
    `right` - the right coordinate

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