Adding some missing files.
git-svn-id: http://svn.openlayers.org/trunk/openlayers@1701 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
@@ -0,0 +1,511 @@
|
|||||||
|
/**
|
||||||
|
* @fileoverview Locator Map Control
|
||||||
|
* @author Tim Schaub
|
||||||
|
*/
|
||||||
|
|
||||||
|
// @require: OpenLayers/Control.js
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @class
|
||||||
|
*/
|
||||||
|
OpenLayers.Control.OverviewMap = OpenLayers.Class.create();
|
||||||
|
|
||||||
|
OpenLayers.Control.OverviewMap.prototype =
|
||||||
|
OpenLayers.Util.extend( new OpenLayers.Control(), {
|
||||||
|
|
||||||
|
/** For div.id
|
||||||
|
* @type String */
|
||||||
|
id: "OverviewMap",
|
||||||
|
|
||||||
|
/** @type DOMElement */
|
||||||
|
element: null,
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The overvew map itself.
|
||||||
|
* @type OpenLayers.Map
|
||||||
|
*/
|
||||||
|
ovmap: null,
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Ordered list of layers in the overview map. If none are sent at
|
||||||
|
* construction, then the default below is used.
|
||||||
|
*
|
||||||
|
* @type Array(OpenLayers.Layer)
|
||||||
|
*/
|
||||||
|
layers: [],
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The ratio of the overview map resolution to the main map resolution
|
||||||
|
* at which to zoom farther out on the overview map.
|
||||||
|
* @type Float
|
||||||
|
*/
|
||||||
|
minRatio: 8,
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The ratio of the overview map resolution to the main map resolution
|
||||||
|
* at which to zoom farther in on the overview map.
|
||||||
|
* @type Float
|
||||||
|
*/
|
||||||
|
maxRatio: 32,
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @constructor
|
||||||
|
* @param {Object} options Hashtable of options to set on the overview map
|
||||||
|
*/
|
||||||
|
initialize: function(options) {
|
||||||
|
OpenLayers.Control.prototype.initialize.apply(this, [options]);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @type DOMElement
|
||||||
|
*/
|
||||||
|
draw: function() {
|
||||||
|
OpenLayers.Control.prototype.draw.apply(this, arguments);
|
||||||
|
|
||||||
|
if(!(this.layers.length > 0)) {
|
||||||
|
if (this.map.baseLayer) {
|
||||||
|
var layer = this.map.baseLayer.clone();
|
||||||
|
this.layers = [layer];
|
||||||
|
} else {
|
||||||
|
this.map.events.register("changebaselayer", this, this.baseLayerDraw);
|
||||||
|
return this.div;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// create overview map DOM elements
|
||||||
|
this.element = document.createElement('div');
|
||||||
|
this.element.className = 'olControlOverviewMapElement';
|
||||||
|
this.element.style.display = 'none';
|
||||||
|
|
||||||
|
this.mapDiv = document.createElement('div');
|
||||||
|
this.mapDiv.style.width = '180px';
|
||||||
|
this.mapDiv.style.height = '90px';
|
||||||
|
this.mapDiv.style.position = 'relative';
|
||||||
|
this.mapDiv.style.overflow = 'hidden';
|
||||||
|
this.mapDiv.id = OpenLayers.Util.createUniqueID('overviewMap');
|
||||||
|
|
||||||
|
this.extentRectangle = document.createElement('div');
|
||||||
|
this.extentRectangle.style.position = 'absolute';
|
||||||
|
this.extentRectangle.style.zIndex = 1000; //HACK
|
||||||
|
this.extentRectangle.style.backgroundImage = 'url(' +
|
||||||
|
OpenLayers.Util.getImagesLocation() +
|
||||||
|
'/blank.png)';
|
||||||
|
this.extentRectangle.className = 'olControlOverviewMapExtentRectangle';
|
||||||
|
this.mapDiv.appendChild(this.extentRectangle);
|
||||||
|
|
||||||
|
this.element.appendChild(this.mapDiv);
|
||||||
|
|
||||||
|
this.div.appendChild(this.element);
|
||||||
|
this.div.className = 'olControlOverviewMapContainer';
|
||||||
|
|
||||||
|
this.map.events.register('moveend', this, this.update);
|
||||||
|
|
||||||
|
// Set up events. The image div recenters the map on click.
|
||||||
|
// The extent rectangle can be dragged to recenter the map.
|
||||||
|
// If the mousedown happened elsewhere, then mousemove and mouseup
|
||||||
|
// should slip through.
|
||||||
|
this.elementEvents = new OpenLayers.Events(this, this.element);
|
||||||
|
this.elementEvents.register('mousedown', this, function(e) {
|
||||||
|
OpenLayers.Event.stop(e);
|
||||||
|
});
|
||||||
|
this.elementEvents.register('click', this, function(e) {
|
||||||
|
OpenLayers.Event.stop(e);
|
||||||
|
});
|
||||||
|
this.elementEvents.register('dblclick', this, function(e) {
|
||||||
|
OpenLayers.Event.stop(e);
|
||||||
|
});
|
||||||
|
this.rectEvents = new OpenLayers.Events(this, this.extentRectangle);
|
||||||
|
this.rectEvents.register('mouseover', this, this.rectMouseOver);
|
||||||
|
this.rectEvents.register('mouseout', this, this.rectMouseOut);
|
||||||
|
this.rectEvents.register('mousedown', this, this.rectMouseDown);
|
||||||
|
this.rectEvents.register('mousemove', this, this.rectMouseMove);
|
||||||
|
this.rectEvents.register('mouseup', this, this.rectMouseUp);
|
||||||
|
this.rectEvents.register('click', this, function(e) {
|
||||||
|
OpenLayers.Event.stop(e);
|
||||||
|
});
|
||||||
|
this.rectEvents.register('dblclick', this, this.rectDblClick );
|
||||||
|
this.mapDivEvents = new OpenLayers.Events(this, this.mapDiv);
|
||||||
|
this.mapDivEvents.register('click', this, this.mapDivClick);
|
||||||
|
|
||||||
|
// There should be an option to place the control outside of the
|
||||||
|
// map viewport. This would make these buttons optional.
|
||||||
|
var imgLocation = OpenLayers.Util.getImagesLocation();
|
||||||
|
// maximize button div
|
||||||
|
var img = imgLocation + 'layer-switcher-maximize.png';
|
||||||
|
this.maximizeDiv = OpenLayers.Util.createAlphaImageDiv(
|
||||||
|
'olControlOverviewMapMaximizeButton',
|
||||||
|
null,
|
||||||
|
new OpenLayers.Size(18,18),
|
||||||
|
img,
|
||||||
|
'absolute');
|
||||||
|
this.maximizeDiv.style.display = 'none';
|
||||||
|
this.maximizeDiv.className = 'olControlOverviewMapMaximizeButton';
|
||||||
|
OpenLayers.Event.observe(this.maximizeDiv,
|
||||||
|
'click',
|
||||||
|
this.maximizeControl.bindAsEventListener(this));
|
||||||
|
this.div.appendChild(this.maximizeDiv);
|
||||||
|
|
||||||
|
// minimize button div
|
||||||
|
var img = imgLocation + 'layer-switcher-minimize.png';
|
||||||
|
this.minimizeDiv = OpenLayers.Util.createAlphaImageDiv(
|
||||||
|
'OpenLayers_Control_minimizeDiv',
|
||||||
|
null,
|
||||||
|
new OpenLayers.Size(18,18),
|
||||||
|
img,
|
||||||
|
'absolute');
|
||||||
|
this.minimizeDiv.style.display = 'none';
|
||||||
|
this.minimizeDiv.className = 'olControlOverviewMapMinimizeButton';
|
||||||
|
OpenLayers.Event.observe(this.minimizeDiv,
|
||||||
|
'click',
|
||||||
|
this.minimizeControl.bindAsEventListener(this));
|
||||||
|
|
||||||
|
this.div.appendChild(this.minimizeDiv);
|
||||||
|
|
||||||
|
this.minimizeControl();
|
||||||
|
|
||||||
|
return this.div;
|
||||||
|
},
|
||||||
|
|
||||||
|
baseLayerDraw: function() {
|
||||||
|
this.draw();
|
||||||
|
this.map.events.unregister("changebaselayer", this, this.baseLayerDraw);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Event} evt
|
||||||
|
*/
|
||||||
|
rectMouseOver: function (evt) {
|
||||||
|
this.extentRectangle.style.cursor = 'move';
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Event} evt
|
||||||
|
*/
|
||||||
|
rectMouseOut: function (evt) {
|
||||||
|
this.extentRectangle.style.cursor = 'default';
|
||||||
|
if(this.rectDragStart != null) {
|
||||||
|
if(this.performedRectDrag) {
|
||||||
|
this.updateMapToRect();
|
||||||
|
}
|
||||||
|
document.onselectstart = null;
|
||||||
|
this.rectDragStart = null;
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Event} evt
|
||||||
|
*/
|
||||||
|
rectMouseDown: function (evt) {
|
||||||
|
if(!OpenLayers.Event.isLeftClick(evt)) return;
|
||||||
|
this.rectDragStart = evt.xy.clone();
|
||||||
|
this.performedRectDrag = false;
|
||||||
|
OpenLayers.Event.stop(evt);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Event} evt
|
||||||
|
*/
|
||||||
|
rectMouseMove: function(evt) {
|
||||||
|
if(this.rectDragStart != null) {
|
||||||
|
var deltaX = this.rectDragStart.x - evt.xy.x;
|
||||||
|
var deltaY = this.rectDragStart.y - evt.xy.y;
|
||||||
|
var rectPxBounds = this.getRectPxBounds();
|
||||||
|
var rectTop = rectPxBounds.top;
|
||||||
|
var rectLeft = rectPxBounds.left;
|
||||||
|
var rectHeight = Math.abs(rectPxBounds.getHeight());
|
||||||
|
var rectWidth = rectPxBounds.getWidth();
|
||||||
|
// don't allow dragging off of parent element
|
||||||
|
var newTop = Math.max(0, (rectTop - deltaY));
|
||||||
|
newTop = Math.min(newTop,
|
||||||
|
this.ovmap.size.h - this.hComp - rectHeight);
|
||||||
|
var newLeft = Math.max(0, (rectLeft - deltaX));
|
||||||
|
newLeft = Math.min(newLeft,
|
||||||
|
this.ovmap.size.w - this.wComp - rectWidth);
|
||||||
|
this.setRectPxBounds(new OpenLayers.Bounds(newLeft,
|
||||||
|
newTop + rectHeight,
|
||||||
|
newLeft + rectWidth,
|
||||||
|
newTop));
|
||||||
|
this.rectDragStart = evt.xy.clone();
|
||||||
|
this.performedRectDrag = true;
|
||||||
|
OpenLayers.Event.stop(evt);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Event} evt
|
||||||
|
*/
|
||||||
|
rectMouseUp: function(evt) {
|
||||||
|
if(!OpenLayers.Event.isLeftClick(evt)) return;
|
||||||
|
if(this.performedRectDrag) {
|
||||||
|
this.updateMapToRect();
|
||||||
|
OpenLayers.Event.stop(evt);
|
||||||
|
}
|
||||||
|
document.onselectstart = null;
|
||||||
|
this.rectDragStart = null;
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Event} evt
|
||||||
|
*/
|
||||||
|
rectDblClick: function(evt) {
|
||||||
|
this.performedRectDrag = false;
|
||||||
|
OpenLayers.Event.stop(evt);
|
||||||
|
this.updateOverview();
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Event} evt
|
||||||
|
*/
|
||||||
|
mapDivClick: function(evt) {
|
||||||
|
var pxBounds = this.getRectPxBounds();
|
||||||
|
var pxCenter = pxBounds.getCenterPixel();
|
||||||
|
var deltaX = evt.xy.x - pxCenter.x;
|
||||||
|
var deltaY = evt.xy.y - pxCenter.y;
|
||||||
|
var top = pxBounds.top;
|
||||||
|
var left = pxBounds.left;
|
||||||
|
var height = Math.abs(pxBounds.getHeight());
|
||||||
|
var width = pxBounds.getWidth();
|
||||||
|
var newTop = Math.max(0, (top + deltaY));
|
||||||
|
newTop = Math.min(newTop, this.ovmap.size.h - height);
|
||||||
|
var newLeft = Math.max(0, (left + deltaX));
|
||||||
|
newLeft = Math.min(newLeft, this.ovmap.size.w - width);
|
||||||
|
this.setRectPxBounds(new OpenLayers.Bounds(newLeft,
|
||||||
|
newTop + height,
|
||||||
|
newLeft + width,
|
||||||
|
newTop));
|
||||||
|
this.updateMapToRect();
|
||||||
|
OpenLayers.Event.stop(evt);
|
||||||
|
},
|
||||||
|
|
||||||
|
/** Set up the labels and divs for the control
|
||||||
|
*
|
||||||
|
* @param {OpenLayers.Event} e
|
||||||
|
*/
|
||||||
|
maximizeControl: function(e) {
|
||||||
|
this.element.style.display = '';
|
||||||
|
this.showToggle(false);
|
||||||
|
if (e != null) {
|
||||||
|
OpenLayers.Event.stop(e);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
/** Hide all the contents of the control, shrink the size,
|
||||||
|
* add the maximize icon
|
||||||
|
*
|
||||||
|
* @param {OpenLayers.Event} e
|
||||||
|
*/
|
||||||
|
minimizeControl: function(e) {
|
||||||
|
this.element.style.display = 'none';
|
||||||
|
this.showToggle(true);
|
||||||
|
if (e != null) {
|
||||||
|
OpenLayers.Event.stop(e);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
/** Hide/Show all LayerSwitcher controls depending on whether we are
|
||||||
|
* minimized or not
|
||||||
|
*
|
||||||
|
* @private
|
||||||
|
*
|
||||||
|
* @param {Boolean} minimize
|
||||||
|
*/
|
||||||
|
showToggle: function(minimize) {
|
||||||
|
this.maximizeDiv.style.display = minimize ? '' : 'none';
|
||||||
|
this.minimizeDiv.style.display = minimize ? 'none' : '';
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Update the overview map after layers move.
|
||||||
|
*/
|
||||||
|
update: function() {
|
||||||
|
if(this.ovmap == null) {
|
||||||
|
this.createMap();
|
||||||
|
}
|
||||||
|
|
||||||
|
if(!this.isSuitableOverview()) {
|
||||||
|
this.updateOverview();
|
||||||
|
}
|
||||||
|
|
||||||
|
// update extent rectangle
|
||||||
|
this.updateRectToMap();
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Determines if the overview map is suitable given the extent and
|
||||||
|
* resolution of the main map.
|
||||||
|
*/
|
||||||
|
isSuitableOverview: function() {
|
||||||
|
var mapExtent = this.map.getExtent();
|
||||||
|
var maxExtent = this.map.maxExtent;
|
||||||
|
var testExtent = new OpenLayers.Bounds(
|
||||||
|
Math.max(mapExtent.left, maxExtent.left),
|
||||||
|
Math.max(mapExtent.bottom, maxExtent.bottom),
|
||||||
|
Math.min(mapExtent.right, maxExtent.right),
|
||||||
|
Math.min(mapExtent.top, maxExtent.top));
|
||||||
|
var resRatio = this.ovmap.getResolution() / this.map.getResolution();
|
||||||
|
return ((resRatio > this.minRatio) &&
|
||||||
|
(resRatio <= this.maxRatio) &&
|
||||||
|
(this.ovmap.getExtent().containsBounds(testExtent)));
|
||||||
|
},
|
||||||
|
|
||||||
|
updateOverview: function() {
|
||||||
|
var mapRes = this.map.getResolution();
|
||||||
|
var targetRes = this.ovmap.getResolution();
|
||||||
|
var resRatio = targetRes / mapRes;
|
||||||
|
if(resRatio > this.maxRatio) {
|
||||||
|
// zoom in overview map
|
||||||
|
targetRes = this.minRatio * mapRes;
|
||||||
|
} else if(resRatio <= this.minRatio) {
|
||||||
|
// zoom out overview map
|
||||||
|
targetRes = this.maxRatio * mapRes;
|
||||||
|
}
|
||||||
|
this.ovmap.setCenter(this.map.center,
|
||||||
|
this.ovmap.getZoomForResolution(targetRes));
|
||||||
|
this.updateRectToMap();
|
||||||
|
},
|
||||||
|
|
||||||
|
createMap: function() {
|
||||||
|
// create the overview map
|
||||||
|
this.ovmap = new OpenLayers.Map(this.mapDiv.id, {controls: [], maxResolution: 'auto'});
|
||||||
|
this.ovmap.addLayers(this.layers);
|
||||||
|
this.ovmap.zoomToMaxExtent();
|
||||||
|
// check extent rectangle border width
|
||||||
|
this.wComp = parseInt(OpenLayers.Element.getStyle(this.extentRectangle,
|
||||||
|
'border-left-width')) +
|
||||||
|
parseInt(OpenLayers.Element.getStyle(this.extentRectangle,
|
||||||
|
'border-right-width'));
|
||||||
|
this.wComp = (this.wComp) ? this.wComp : 2;
|
||||||
|
this.hComp = parseInt(OpenLayers.Element.getStyle(this.extentRectangle,
|
||||||
|
'border-top-width')) +
|
||||||
|
parseInt(OpenLayers.Element.getStyle(this.extentRectangle,
|
||||||
|
'border-bottom-width'));
|
||||||
|
this.hComp = (this.hComp) ? this.hComp : 2;
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Updates the extent rectangle position and size to match the map extent
|
||||||
|
*/
|
||||||
|
updateRectToMap: function() {
|
||||||
|
if(this.map.units != 'degrees') {
|
||||||
|
if(this.map.projection != this.ovmap.map.projection) {
|
||||||
|
alert('The overview map only works when it is in the same projection as the main map');
|
||||||
|
}
|
||||||
|
}
|
||||||
|
var pxBounds = this.getRectBoundsFromMapBounds(this.map.getExtent());
|
||||||
|
this.setRectPxBounds(pxBounds);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Updates the map extent to match the extent rectangle position and size
|
||||||
|
*/
|
||||||
|
updateMapToRect: function() {
|
||||||
|
var pxBounds = this.getRectPxBounds();
|
||||||
|
var lonLatBounds = this.getMapBoundsFromRectBounds(pxBounds);
|
||||||
|
this.map.setCenter(lonLatBounds.getCenterLonLat(), this.map.zoom);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Get extent rectangle pixel bounds
|
||||||
|
* @returns An OpenLayers.Bounds wich is the extent rectangle's pixel
|
||||||
|
* bounds (relative to the parent element)
|
||||||
|
*/
|
||||||
|
getRectPxBounds: function() {
|
||||||
|
var top = parseInt(this.extentRectangle.style.top);
|
||||||
|
var left = parseInt(this.extentRectangle.style.left);
|
||||||
|
var height = parseInt(this.extentRectangle.style.height);
|
||||||
|
var width = parseInt(this.extentRectangle.style.width);
|
||||||
|
return new OpenLayers.Bounds(left, top + height, left + width, top);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Set extent rectangle pixel bounds.
|
||||||
|
* @param {OpenLayers.Bounds} pxBounds
|
||||||
|
*/
|
||||||
|
setRectPxBounds: function(pxBounds) {
|
||||||
|
var top = Math.max(pxBounds.top, 0);
|
||||||
|
var left = Math.max(pxBounds.left, 0);
|
||||||
|
var bottom = Math.min(pxBounds.top + Math.abs(pxBounds.getHeight()),
|
||||||
|
this.ovmap.size.h - this.hComp);
|
||||||
|
var right = Math.min(pxBounds.left + pxBounds.getWidth(),
|
||||||
|
this.ovmap.size.w - this.wComp);
|
||||||
|
this.extentRectangle.style.top = parseInt(top) + 'px';
|
||||||
|
this.extentRectangle.style.left = parseInt(left) + 'px';
|
||||||
|
this.extentRectangle.style.height = parseInt(bottom - top)+ 'px';
|
||||||
|
this.extentRectangle.style.width = parseInt(right - left) + 'px';
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Bounds} lonLatBounds
|
||||||
|
*
|
||||||
|
* @returns An OpenLayers.Bounds which is the passed-in map lon/lat extent
|
||||||
|
* translated into pixel bounds for the overview map
|
||||||
|
* @type OpenLayers.Bounds
|
||||||
|
*/
|
||||||
|
getRectBoundsFromMapBounds: function(lonLatBounds) {
|
||||||
|
var leftBottomLonLat = new OpenLayers.LonLat(lonLatBounds.left,
|
||||||
|
lonLatBounds.bottom);
|
||||||
|
var rightTopLonLat = new OpenLayers.LonLat(lonLatBounds.right,
|
||||||
|
lonLatBounds.top);
|
||||||
|
var leftBottomPx = this.getOverviewPxFromLonLat(leftBottomLonLat);
|
||||||
|
var rightTopPx = this.getOverviewPxFromLonLat(rightTopLonLat);
|
||||||
|
return new OpenLayers.Bounds(leftBottomPx.x, leftBottomPx.y,
|
||||||
|
rightTopPx.x, rightTopPx.y);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Bounds} pxBounds
|
||||||
|
*
|
||||||
|
* @returns An OpenLayers.Bounds which is the passed-in overview rect bounds
|
||||||
|
* translated into lon/lat bounds for the overview map
|
||||||
|
* @type OpenLayers.Bounds
|
||||||
|
*/
|
||||||
|
getMapBoundsFromRectBounds: function(pxBounds) {
|
||||||
|
var leftBottomPx = new OpenLayers.Pixel(pxBounds.left,
|
||||||
|
pxBounds.bottom);
|
||||||
|
var rightTopPx = new OpenLayers.Pixel(pxBounds.right,
|
||||||
|
pxBounds.top);
|
||||||
|
var leftBottomLonLat = this.getLonLatFromOverviewPx(leftBottomPx);
|
||||||
|
var rightTopLonLat = this.getLonLatFromOverviewPx(rightTopPx);
|
||||||
|
return new OpenLayers.Bounds(leftBottomLonLat.lon, leftBottomLonLat.lat,
|
||||||
|
rightTopLonLat.lon, rightTopLonLat.lat);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.Pixel} overviewMapPx
|
||||||
|
*
|
||||||
|
* @returns An OpenLayers.LonLat which is the passed-in overview map
|
||||||
|
* OpenLayers.Pixel, translated into lon/lat by the overview map
|
||||||
|
* @type OpenLayers.LonLat
|
||||||
|
*/
|
||||||
|
getLonLatFromOverviewPx: function(overviewMapPx) {
|
||||||
|
var size = this.ovmap.size;
|
||||||
|
var res = this.ovmap.getResolution();
|
||||||
|
var center = this.ovmap.getExtent().getCenterLonLat();
|
||||||
|
|
||||||
|
var delta_x = overviewMapPx.x - (size.w / 2);
|
||||||
|
var delta_y = overviewMapPx.y - (size.h / 2);
|
||||||
|
|
||||||
|
return new OpenLayers.LonLat(center.lon + delta_x * res ,
|
||||||
|
center.lat - delta_y * res);
|
||||||
|
},
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param {OpenLayers.LonLat} lonlat
|
||||||
|
*
|
||||||
|
* @returns An OpenLayers.Pixel which is the passed-in OpenLayers.LonLat,
|
||||||
|
* translated into overview map pixels
|
||||||
|
* @type OpenLayers.Pixel
|
||||||
|
*/
|
||||||
|
getOverviewPxFromLonLat: function(lonlat) {
|
||||||
|
var res = this.ovmap.getResolution();
|
||||||
|
var extent = this.ovmap.getExtent();
|
||||||
|
return new OpenLayers.Pixel(
|
||||||
|
Math.round(1/res * (lonlat.lon - extent.left)),
|
||||||
|
Math.round(1/res * (extent.top - lonlat.lat))
|
||||||
|
);
|
||||||
|
},
|
||||||
|
|
||||||
|
/** @final @type String */
|
||||||
|
CLASS_NAME: 'OpenLayers.Control.OverviewMap'
|
||||||
|
|
||||||
|
});
|
||||||
@@ -0,0 +1,75 @@
|
|||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<script src="../lib/OpenLayers.js"></script>
|
||||||
|
<script type="text/javascript"><!--
|
||||||
|
var map;
|
||||||
|
function test_01_Control_PanZoom_constructor (t) {
|
||||||
|
t.plan( 1 );
|
||||||
|
|
||||||
|
control = new OpenLayers.Control.OverviewMap();
|
||||||
|
t.ok( control instanceof OpenLayers.Control.OverviewMap, "new OpenLayers.Control.OverviewMap returns object" );
|
||||||
|
}
|
||||||
|
function test_02_Control_PanZoom_addControl (t) {
|
||||||
|
t.plan( 6 );
|
||||||
|
map = new OpenLayers.Map('map');
|
||||||
|
control = new OpenLayers.Control.OverviewMap();
|
||||||
|
t.ok( control instanceof OpenLayers.Control.OverviewMap, "new OpenLayers.Control.OverviewMap returns object" );
|
||||||
|
t.ok( map instanceof OpenLayers.Map, "new OpenLayers.Map creates map" );
|
||||||
|
map.addControl(control);
|
||||||
|
t.ok( control.map === map, "Control.map is set to the map object" );
|
||||||
|
t.ok( map.controls[3] === control, "map.controls contains control" );
|
||||||
|
t.eq( parseInt(control.div.style.zIndex), map.Z_INDEX_BASE['Control'] + 4, "Control div zIndexed properly" );
|
||||||
|
t.eq( parseInt(map.viewPortDiv.lastChild.style.zIndex), map.Z_INDEX_BASE['Control'] + 4, "Viewport div contains control div" );
|
||||||
|
|
||||||
|
}
|
||||||
|
function test_03_Control_PanZoom_control_events (t) {
|
||||||
|
t.plan( 10 );
|
||||||
|
var evt = {which: 1}; // control expects left-click
|
||||||
|
map = new OpenLayers.Map('map');
|
||||||
|
var layer = new OpenLayers.Layer.WMS("Test Layer",
|
||||||
|
"http://octo.metacarta.com/cgi-bin/mapserv?",
|
||||||
|
{map: "/mapdata/vmap_wms.map", layers: "basic"});
|
||||||
|
map.addLayer(layer);
|
||||||
|
|
||||||
|
control = new OpenLayers.Control.OverviewMap();
|
||||||
|
map.addControl(control, new OpenLayers.Pixel(20,20));
|
||||||
|
|
||||||
|
var centerLL = new OpenLayers.LonLat(-71,42);
|
||||||
|
map.setCenter(centerLL, 11);
|
||||||
|
|
||||||
|
var overviewCenter = control.ovmap.getCenter();
|
||||||
|
var overviewZoom = control.ovmap.getZoom();
|
||||||
|
t.eq(overviewCenter.lon, -71, "Overviewmap center lon correct");
|
||||||
|
t.eq(overviewCenter.lat, 42, "Overviewmap center lat correct");
|
||||||
|
t.eq(overviewZoom, 8, "Overviewmap zoomcorrect");
|
||||||
|
|
||||||
|
control.mapDivClick({'xy':new OpenLayers.Pixel(5,5)});
|
||||||
|
|
||||||
|
var cent = map.getCenter();
|
||||||
|
t.eq(cent.lon, -71.3515625, "Clicking on the Overview Map has the correct effect on map lon");
|
||||||
|
t.eq(cent.lat, 42.17578125, "Clicking on the Overview Map has the correct effect on map lat");
|
||||||
|
|
||||||
|
control.rectMouseDown({'xy':new OpenLayers.Pixel(5,5), 'which':1});
|
||||||
|
control.rectMouseMove({'xy':new OpenLayers.Pixel(15,15), 'which':1});
|
||||||
|
control.rectMouseUp({'xy':new OpenLayers.Pixel(15,15), 'which':1});
|
||||||
|
|
||||||
|
var cent = map.getCenter();
|
||||||
|
t.eq(cent.lon, -71.2734375, "Dragging on the Overview Map has the correct effect on map lon");
|
||||||
|
t.eq(cent.lat, 42.09765625, "Dragging on the Overview Map has the correct effect on map lat");
|
||||||
|
|
||||||
|
map.setCenter(new OpenLayers.LonLat(0,0), 0);
|
||||||
|
var overviewCenter = control.ovmap.getCenter();
|
||||||
|
var overviewZoom = control.ovmap.getZoom();
|
||||||
|
t.eq(overviewCenter.lon, 0, "Overviewmap center lon correct -- second zoom");
|
||||||
|
t.eq(overviewCenter.lat, 0, "Overviewmap center lat correct -- second zoom");
|
||||||
|
t.eq(overviewZoom, 0, "Overviewmap zoomcorrect -- second zoom");
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
// -->
|
||||||
|
</script>
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<div id="map" style="width: 1024px; height: 512px;"/>
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
@@ -0,0 +1,97 @@
|
|||||||
|
<html>
|
||||||
|
<head>
|
||||||
|
<script src="../lib/OpenLayers.js"></script>
|
||||||
|
<script type="text/javascript"><!--
|
||||||
|
var layer;
|
||||||
|
|
||||||
|
function test_01_Layer_FixedZoomLevels (t) {
|
||||||
|
t.plan( 36 );
|
||||||
|
|
||||||
|
var layer = { 'MIN_ZOOM_LEVEL': 5,
|
||||||
|
'MAX_ZOOM_LEVEL': 10 };
|
||||||
|
|
||||||
|
|
||||||
|
//defaults
|
||||||
|
|
||||||
|
layer = p_createLayer(layer);
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "nothing specified");
|
||||||
|
|
||||||
|
|
||||||
|
//layer.options
|
||||||
|
|
||||||
|
// min,num
|
||||||
|
layer = p_createLayer(layer, {}, { minZoomLevel: 3, numZoomLevels: 12});
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "min too low num too high(layer.options)");
|
||||||
|
|
||||||
|
layer = p_createLayer(layer, {}, { minZoomLevel: 6, numZoomLevels: 3 });
|
||||||
|
p_minMaxNum(t, layer, 6, 8, "valid min,num(layer.options)");
|
||||||
|
|
||||||
|
|
||||||
|
// max
|
||||||
|
layer = p_createLayer(layer, {}, { maxZoomLevel: 9 });
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, 9, "valid max(layer.options)");
|
||||||
|
|
||||||
|
layer = p_createLayer(layer, {}, { maxZoomLevel: 12 });
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "invalid max(layer.options)");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
//map
|
||||||
|
|
||||||
|
// min,num
|
||||||
|
layer = p_createLayer(layer, { minZoomLevel: 3, numZoomLevels: 12});
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "min too low num too high(map)");
|
||||||
|
|
||||||
|
layer = p_createLayer(layer, { minZoomLevel: 6, numZoomLevels: 3 });
|
||||||
|
p_minMaxNum(t, layer, 6, 8, "valid min,num(map)");
|
||||||
|
|
||||||
|
|
||||||
|
// max
|
||||||
|
layer = p_createLayer(layer, { maxZoomLevel: 9 });
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, 9, "valid max(map)");
|
||||||
|
|
||||||
|
layer = p_createLayer(layer, { maxZoomLevel: 12 });
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, layer.MAX_ZOOM_LEVEL, "invalid max(map)");
|
||||||
|
|
||||||
|
//map vs. options
|
||||||
|
|
||||||
|
layer = p_createLayer(layer, {minZoomLevel: 6, numZoomLevels: 2}, { minZoomLevel: 7, numZoomLevels: 3});
|
||||||
|
p_minMaxNum(t, layer, 7, 9, "min,num(layer.options) wins over (map)");
|
||||||
|
|
||||||
|
layer = p_createLayer(layer, {minZoomLevel: 6, maxZoomLevel: 8}, { minZoomLevel: 7, maxZoomLevel: 9});
|
||||||
|
p_minMaxNum(t, layer, 7, 9, "min,max(layer.options) wins over (map)");
|
||||||
|
|
||||||
|
|
||||||
|
// numZoomLevels vs. maxZoomLevel
|
||||||
|
|
||||||
|
layer = p_createLayer(layer, {maxZoomLevel: 8, numZoomLevels: 6});
|
||||||
|
p_minMaxNum(t, layer, layer.MIN_ZOOM_LEVEL, 10, "min,max(layer.options) wins over (map)");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
function p_createLayer(layer, mapOptions, layerOptions) {
|
||||||
|
|
||||||
|
layer.map = mapOptions || {};
|
||||||
|
layer.options = layerOptions || {};
|
||||||
|
OpenLayers.Layer.FixedZoomLevels.prototype.initResolutions.apply(layer);
|
||||||
|
|
||||||
|
return layer;
|
||||||
|
}
|
||||||
|
|
||||||
|
function p_minMaxNum(t, layer, min, max, msg) {
|
||||||
|
|
||||||
|
t.eq( layer.minZoomLevel, min, "min zoom level inherited from layer constant: " + msg);
|
||||||
|
t.eq( layer.maxZoomLevel, max, "max zoom level inherited from layer constant: " + msg);
|
||||||
|
t.eq( layer.numZoomLevels, max - min + 1, "num zoom levels correctly calcuated: " + msg);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
// -->
|
||||||
|
</script>
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<div id="map"></div>
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
Reference in New Issue
Block a user