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## com.maryanovsky.map.client.widgets.scale
Class ScaleWidget

    java.lang.Object
      com.google.gwt.user.client.ui.UIObject
          com.google.gwt.user.client.ui.Widget
              com.google.gwt.user.client.ui.Composite
                  com.maryanovsky.map.client.widgets.scale.ScaleWidget

All Implemented Interfaces:
  HasAttachHandlers, HasHandlers, EventListener, HasVisibility, IsRenderable, IsWidget

    public class ScaleWidget

extends Composite

A widget displaying the map's scale, that is the amount of real-world distance units (such as kilometers) in a certain amount of pixels. The style name of the widget is `map-ScaleWidget`. The style name of the element that displays the scale size (the ruler) is `map-ScaleWidgetSize`. The style name of the label that displays the size label is `map-ScaleWidgetText`. The actual size label is implemented using two labels - a background and a foreground one (offset by one pixel to the right and to the bottom). Their style names are `map-ScaleWidgetBackgroundLabel` and `map-ScaleWidgetForegroundLabel`. In order to properly use this widget's default look, you need to import the "widgets/scale/scale.css" file into the page's CSS.

Author:
  Maryanovsky Alexander

Nested Class Summary
`static interface` | `ScaleWidget.Images` A bundle of the images used by the widget.
`static interface` | `ScaleWidget.Scale` Defines the size and values displayed by the scale widget.

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject
`UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled`

Field Summary

Fields inherited from class com.google.gwt.user.client.ui.UIObject
`DEBUG_ID_PREFIX`

Constructor Summary
`ScaleWidget(MapWidget mapWidget, ScaleWidget.Scale scale)` Creates a new `ScaleWidget` for the specified `MapWidget`, with the specified scale and default images.
`ScaleWidget(MapWidget mapWidget, ScaleWidget.Scale scale, ScaleWidget.Images images)` Creates a new `ScaleWidget` for the specified `MapWidget`, with the specified scale and images.

Method Summary
`protected void` | `onLoad()` Updates the scale on-load.

Methods inherited from class com.google.gwt.user.client.ui.Composite
`claimElement, getWidget, initializeClaimedElement, initWidget, isAttached, onAttach, onBrowserEvent, onDetach, render, render, resolvePotentialElement, setWidget`

Methods inherited from class com.google.gwt.user.client.ui.Widget
`addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, doAttachChildren, doDetachChildren, fireEvent, getHandlerCount, getLayoutData, getParent, isOrWasAttached, onUnload, removeFromParent, setLayoutData, sinkEvents`

Methods inherited from class com.google.gwt.user.client.ui.UIObject
`addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString, unsinkEvents`

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

Constructor Detail

### ScaleWidget

    public ScaleWidget(MapWidget mapWidget,
                       ScaleWidget.Scale scale,
                       ScaleWidget.Images images)

  Creates a new `ScaleWidget` for the specified `MapWidget`, with the specified scale and images.

### ScaleWidget

    public ScaleWidget(MapWidget mapWidget,
                       ScaleWidget.Scale scale)

  Creates a new `ScaleWidget` for the specified `MapWidget`, with the specified scale and default images.

Method Detail

### onLoad

    protected void onLoad()

  Updates the scale on-load.

  Overrides:
    `onLoad` in class `Widget`

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