/gmaps-drawing-tools-places.htm

## gmaps-drawing-tools-places.htm
<!DOCTYPE html>
<!-- http://gmaps-samples-v3.googlecode.com/svn/trunk/drawing/drawing-tools.html -->
<!-- https://developers.google.com/maps/documentation/javascript/examples/places-searchbox -->
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="UTF-8">
    <title>Drawing Tools (B)</title>
    <!-- NOTE: two libraries to load are comma-separated; otherwise last mention of the query string arg overwrites the previous -->
    <script type="text/javascript"
      src="http://maps.google.com/maps/api/js?sensor=false&v=3.21.5a&libraries=drawing&signed_in=true&libraries=places,drawing"></script>
    <style type="text/css">
      #map, html, body {
        padding: 0;
        margin: 0;
        height: 100%;
      }

      #panel {
        width: 200px;
        font-family: Arial, sans-serif;
        font-size: 13px;
        float: right;
        margin: 10px;
      }

      #color-palette {
        clear: both;
      }

      .color-button {
        width: 14px;
        height: 14px;
        font-size: 0;
        margin: 2px;
        float: left;
        cursor: pointer;
      }

      #delete-button {
        margin-top: 5px;
      }
    </style>
    <script type="text/javascript">
      var drawingManager;
      var selectedShape;
      var colors = ['#1E90FF', '#FF1493', '#32CD32', '#FF8C00', '#4B0082'];
      var selectedColor;
      var colorButtons = {};

      function clearSelection() {
        if (selectedShape) {
          if (typeof selectedShape.setEditable == 'function') {
            selectedShape.setEditable(false);
          }
          selectedShape = null;
        }
        curseldiv.innerHTML = "<b>cursel</b>:";
      }

      function updateCurSelText(shape) {
        posstr = "" + selectedShape.position;
        if (typeof selectedShape.position == 'object') {
          posstr = selectedShape.position.toUrlValue();
        }
        pathstr = "" + selectedShape.getPath;
        if (typeof selectedShape.getPath == 'function') {
          pathstr = "[ ";
          for (var i = 0; i < selectedShape.getPath().getLength(); i++) {
            // .toUrlValue(5) limits number of decimals, default is 6 but can do more
            pathstr += selectedShape.getPath().getAt(i).toUrlValue() + " , ";
          }
          pathstr += "]";
        }
        bndstr = "" + selectedShape.getBounds;
        cntstr = "" + selectedShape.getBounds;
        if (typeof selectedShape.getBounds == 'function') {
          var tmpbounds = selectedShape.getBounds();
          cntstr = "" + tmpbounds.getCenter().toUrlValue();
          bndstr = "[NE: " + tmpbounds.getNorthEast().toUrlValue() + " SW: " + tmpbounds.getSouthWest().toUrlValue() + "]";
        }
        cntrstr = "" + selectedShape.getCenter;
        if (typeof selectedShape.getCenter == 'function') {
          cntrstr = "" + selectedShape.getCenter().toUrlValue();
        }
        radstr = "" + selectedShape.getRadius;
        if (typeof selectedShape.getRadius == 'function') {
          radstr = "" + selectedShape.getRadius();
        }
        curseldiv.innerHTML = "<b>cursel</b>: " + selectedShape.type + " " + selectedShape + "; <i>pos</i>: " + posstr + " ; <i>path</i>: " + pathstr + " ; <i>bounds</i>: " + bndstr + " ; <i>Cb</i>: " + cntstr + " ; <i>radius</i>: " + radstr + " ; <i>Cr</i>: " + cntrstr ;
      }

      function setSelection(shape, isNotMarker) {
        clearSelection();
        selectedShape = shape;
        if (isNotMarker)
          shape.setEditable(true);
        selectColor(shape.get('fillColor') || shape.get('strokeColor'));
        updateCurSelText(shape);
      }

      function deleteSelectedShape() {
        if (selectedShape) {
          selectedShape.setMap(null);
        }
      }

      function selectColor(color) {
        selectedColor = color;
        for (var i = 0; i < colors.length; ++i) {
          var currColor = colors[i];
          colorButtons[currColor].style.border = currColor == color ? '2px solid #789' : '2px solid #fff';
        }

        // Retrieves the current options from the drawing manager and replaces the
        // stroke or fill color as appropriate.
        var polylineOptions = drawingManager.get('polylineOptions');
        polylineOptions.strokeColor = color;
        drawingManager.set('polylineOptions', polylineOptions);

        var rectangleOptions = drawingManager.get('rectangleOptions');
        rectangleOptions.fillColor = color;
        drawingManager.set('rectangleOptions', rectangleOptions);

        var circleOptions = drawingManager.get('circleOptions');
        circleOptions.fillColor = color;
        drawingManager.set('circleOptions', circleOptions);

        var polygonOptions = drawingManager.get('polygonOptions');
        polygonOptions.fillColor = color;
        drawingManager.set('polygonOptions', polygonOptions);
      }

      function setSelectedShapeColor(color) {
        if (selectedShape) {
          if (selectedShape.type == google.maps.drawing.OverlayType.POLYLINE) {
            selectedShape.set('strokeColor', color);
          } else {
            selectedShape.set('fillColor', color);
          }
        }
      }

      function makeColorButton(color) {
        var button = document.createElement('span');
        button.className = 'color-button';
        button.style.backgroundColor = color;
        google.maps.event.addDomListener(button, 'click', function() {
          selectColor(color);
          setSelectedShapeColor(color);
        });

        return button;
      }

       function buildColorPalette() {
         var colorPalette = document.getElementById('color-palette');
         for (var i = 0; i < colors.length; ++i) {
           var currColor = colors[i];
           var colorButton = makeColorButton(currColor);
           colorPalette.appendChild(colorButton);
           colorButtons[currColor] = colorButton;
         }
         selectColor(colors[0]);
       }

      /////////////////////////////////////
      var map; //= new google.maps.Map(document.getElementById('map'), {
      // these must have global refs too!:
      var placeMarkers = [];
      var input;
      var searchBox;
      var curposdiv;
      var curseldiv;

      function deletePlacesSearchResults() {
        for (var i = 0, marker; marker = placeMarkers[i]; i++) {
          marker.setMap(null);
        }
        placeMarkers = [];
        input.value = ''; // clear the box too
      }

      /////////////////////////////////////
      function initialize() {
        map = new google.maps.Map(document.getElementById('map'), { //var
          zoom: 12,//10,
          center: new google.maps.LatLng(22.338,114.057),//(22.344, 114.048),
          mapTypeId: google.maps.MapTypeId.ROADMAP,
          disableDefaultUI: false,
          zoomControl: true
        });
        curposdiv = document.getElementById('curpos');
        curseldiv = document.getElementById('cursel');

        var polyOptions = {
          strokeWeight: 0,
          fillOpacity: 0.45,
          editable: true
        };
        // Creates a drawing manager attached to the map that allows the user to draw
        // markers, lines, and shapes.
        drawingManager = new google.maps.drawing.DrawingManager({
          drawingMode: google.maps.drawing.OverlayType.POLYGON,
          markerOptions: {
            draggable: true,
            editable: true,
          },
          polylineOptions: {
            editable: true
          },
          rectangleOptions: polyOptions,
          circleOptions: polyOptions,
          polygonOptions: polyOptions,
          map: map
        });

        google.maps.event.addListener(drawingManager, 'overlaycomplete', function(e) {
          //~ if (e.type != google.maps.drawing.OverlayType.MARKER) {
            var isNotMarker = (e.type != google.maps.drawing.OverlayType.MARKER);
            // Switch back to non-drawing mode after drawing a shape.
            drawingManager.setDrawingMode(null);

            // Add an event listener that selects the newly-drawn shape when the user
            // mouses down on it.
            var newShape = e.overlay;
            newShape.type = e.type;
            google.maps.event.addListener(newShape, 'click', function() {
              setSelection(newShape, isNotMarker);
            });
            google.maps.event.addListener(newShape, 'drag', function() {
              updateCurSelText(newShape);
            });
            google.maps.event.addListener(newShape, 'dragend', function() {
              updateCurSelText(newShape);
            });
            setSelection(newShape, isNotMarker);
          //~ }// end if
        });

        // Clear the current selection when the drawing mode is changed, or when the
        // map is clicked.
        google.maps.event.addListener(drawingManager, 'drawingmode_changed', clearSelection);
        google.maps.event.addListener(map, 'click', clearSelection);
        google.maps.event.addDomListener(document.getElementById('delete-button'), 'click', deleteSelectedShape);

        buildColorPalette();

        //~ initSearch();
        // Create the search box and link it to the UI element.
         input = /** @type {HTMLInputElement} */( //var
            document.getElementById('pac-input'));
        map.controls[google.maps.ControlPosition.TOP_RIGHT].push(input);
        //
        var DelPlcButDiv = document.createElement('div');
        //~ DelPlcButDiv.style.color = 'rgb(25,25,25)'; // no effect?
        DelPlcButDiv.style.backgroundColor = '#fff';
        DelPlcButDiv.style.cursor = 'pointer';
        DelPlcButDiv.innerHTML = 'DEL';
        map.controls[google.maps.ControlPosition.TOP_RIGHT].push(DelPlcButDiv);
        google.maps.event.addDomListener(DelPlcButDiv, 'click', deletePlacesSearchResults);

        searchBox = new google.maps.places.SearchBox( //var
          /** @type {HTMLInputElement} */(input));

        // Listen for the event fired when the user selects an item from the
        // pick list. Retrieve the matching places for that item.
        google.maps.event.addListener(searchBox, 'places_changed', function() {
          var places = searchBox.getPlaces();

          if (places.length == 0) {
            return;
          }
          for (var i = 0, marker; marker = placeMarkers[i]; i++) {
            marker.setMap(null);
          }

          // For each place, get the icon, place name, and location.
          placeMarkers = [];
          var bounds = new google.maps.LatLngBounds();
          for (var i = 0, place; place = places[i]; i++) {
            var image = {
              url: place.icon,
              size: new google.maps.Size(71, 71),
              origin: new google.maps.Point(0, 0),
              anchor: new google.maps.Point(17, 34),
              scaledSize: new google.maps.Size(25, 25)
            };

            // Create a marker for each place.
            var marker = new google.maps.Marker({
              map: map,
              icon: image,
              title: place.name,
              position: place.geometry.location
            });

            placeMarkers.push(marker);

            bounds.extend(place.geometry.location);
          }

          map.fitBounds(bounds);
        });

        // Bias the SearchBox results towards places that are within the bounds of the
        // current map's viewport.
        google.maps.event.addListener(map, 'bounds_changed', function() {
          var bounds = map.getBounds();
          searchBox.setBounds(bounds);
          curposdiv.innerHTML = "<b>curpos</b> Z: " + map.getZoom() + " C: " + map.getCenter().toUrlValue();
        }); //////////////////////
      }
      google.maps.event.addDomListener(window, 'load', initialize);
    </script>
  </head>
  <body>
    <div id="panel">
      <div id="color-palette"></div>
      <div>
        <button id="delete-button">Delete Selected Shape</button>
      </div>
    <div id="curpos"></div>
    <div id="cursel"></div>
    <div id="note"><small>Note: markers can be selected, but are not graphically indicated; can be deleted, but cannot have their color changed.</small></div>
    </div>
    <input id="pac-input" type="text" placeholder="Search Box">
    <div id="map">A</div>
  </body>
</html>
	<!DOCTYPE html>
	<!-- http://gmaps-samples-v3.googlecode.com/svn/trunk/drawing/drawing-tools.html -->
	<!-- https://developers.google.com/maps/documentation/javascript/examples/places-searchbox -->
	<html>
	<head>
	<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
	<meta charset="UTF-8">
	<title>Drawing Tools (B)</title>
	<!-- NOTE: two libraries to load are comma-separated; otherwise last mention of the query string arg overwrites the previous -->
	<script type="text/javascript"
	src="http://maps.google.com/maps/api/js?sensor=false&v=3.21.5a&libraries=drawing&signed_in=true&libraries=places,drawing"></script>
	<style type="text/css">
	#map, html, body {
	padding: 0;
	margin: 0;
	height: 100%;
	}

	#panel {
	width: 200px;
	font-family: Arial, sans-serif;
	font-size: 13px;
	float: right;
	margin: 10px;
	}

	#color-palette {
	clear: both;
	}

	.color-button {
	width: 14px;
	height: 14px;
	font-size: 0;
	margin: 2px;
	float: left;
	cursor: pointer;
	}

	#delete-button {
	margin-top: 5px;
	}
	</style>
	<script type="text/javascript">
	var drawingManager;
	var selectedShape;
	var colors = ['#1E90FF', '#FF1493', '#32CD32', '#FF8C00', '#4B0082'];
	var selectedColor;
	var colorButtons = {};

	function clearSelection() {
	if (selectedShape) {
	if (typeof selectedShape.setEditable == 'function') {
	selectedShape.setEditable(false);
	}
	selectedShape = null;
	}
	curseldiv.innerHTML = "<b>cursel</b>:";
	}

	function updateCurSelText(shape) {
	posstr = "" + selectedShape.position;
	if (typeof selectedShape.position == 'object') {
	posstr = selectedShape.position.toUrlValue();
	}
	pathstr = "" + selectedShape.getPath;
	if (typeof selectedShape.getPath == 'function') {
	pathstr = "[ ";
	for (var i = 0; i < selectedShape.getPath().getLength(); i++) {
	// .toUrlValue(5) limits number of decimals, default is 6 but can do more
	pathstr += selectedShape.getPath().getAt(i).toUrlValue() + " , ";
	}
	pathstr += "]";
	}
	bndstr = "" + selectedShape.getBounds;
	cntstr = "" + selectedShape.getBounds;
	if (typeof selectedShape.getBounds == 'function') {
	var tmpbounds = selectedShape.getBounds();
	cntstr = "" + tmpbounds.getCenter().toUrlValue();
	bndstr = "[NE: " + tmpbounds.getNorthEast().toUrlValue() + " SW: " + tmpbounds.getSouthWest().toUrlValue() + "]";
	}
	cntrstr = "" + selectedShape.getCenter;
	if (typeof selectedShape.getCenter == 'function') {
	cntrstr = "" + selectedShape.getCenter().toUrlValue();
	}
	radstr = "" + selectedShape.getRadius;
	if (typeof selectedShape.getRadius == 'function') {
	radstr = "" + selectedShape.getRadius();
	}
	curseldiv.innerHTML = "<b>cursel</b>: " + selectedShape.type + " " + selectedShape + "; <i>pos</i>: " + posstr + " ; <i>path</i>: " + pathstr + " ; <i>bounds</i>: " + bndstr + " ; <i>Cb</i>: " + cntstr + " ; <i>radius</i>: " + radstr + " ; <i>Cr</i>: " + cntrstr ;
	}

	function setSelection(shape, isNotMarker) {
	clearSelection();
	selectedShape = shape;
	if (isNotMarker)
	shape.setEditable(true);
	selectColor(shape.get('fillColor') \|\| shape.get('strokeColor'));
	updateCurSelText(shape);
	}

	function deleteSelectedShape() {
	if (selectedShape) {
	selectedShape.setMap(null);
	}
	}

	function selectColor(color) {
	selectedColor = color;
	for (var i = 0; i < colors.length; ++i) {
	var currColor = colors[i];
	colorButtons[currColor].style.border = currColor == color ? '2px solid #789' : '2px solid #fff';
	}

	// Retrieves the current options from the drawing manager and replaces the
	// stroke or fill color as appropriate.
	var polylineOptions = drawingManager.get('polylineOptions');
	polylineOptions.strokeColor = color;
	drawingManager.set('polylineOptions', polylineOptions);

	var rectangleOptions = drawingManager.get('rectangleOptions');
	rectangleOptions.fillColor = color;
	drawingManager.set('rectangleOptions', rectangleOptions);

	var circleOptions = drawingManager.get('circleOptions');
	circleOptions.fillColor = color;
	drawingManager.set('circleOptions', circleOptions);

	var polygonOptions = drawingManager.get('polygonOptions');
	polygonOptions.fillColor = color;
	drawingManager.set('polygonOptions', polygonOptions);
	}

	function setSelectedShapeColor(color) {
	if (selectedShape) {
	if (selectedShape.type == google.maps.drawing.OverlayType.POLYLINE) {
	selectedShape.set('strokeColor', color);
	} else {
	selectedShape.set('fillColor', color);
	}
	}
	}

	function makeColorButton(color) {
	var button = document.createElement('span');
	button.className = 'color-button';
	button.style.backgroundColor = color;
	google.maps.event.addDomListener(button, 'click', function() {
	selectColor(color);
	setSelectedShapeColor(color);
	});

	return button;
	}

	function buildColorPalette() {
	var colorPalette = document.getElementById('color-palette');
	for (var i = 0; i < colors.length; ++i) {
	var currColor = colors[i];
	var colorButton = makeColorButton(currColor);
	colorPalette.appendChild(colorButton);
	colorButtons[currColor] = colorButton;
	}
	selectColor(colors[0]);
	}

	/////////////////////////////////////
	var map; //= new google.maps.Map(document.getElementById('map'), {
	// these must have global refs too!:
	var placeMarkers = [];
	var input;
	var searchBox;
	var curposdiv;
	var curseldiv;

	function deletePlacesSearchResults() {
	for (var i = 0, marker; marker = placeMarkers[i]; i++) {
	marker.setMap(null);
	}
	placeMarkers = [];
	input.value = ''; // clear the box too
	}

	/////////////////////////////////////
	function initialize() {
	map = new google.maps.Map(document.getElementById('map'), { //var
	zoom: 12,//10,
	center: new google.maps.LatLng(22.338,114.057),//(22.344, 114.048),
	mapTypeId: google.maps.MapTypeId.ROADMAP,
	disableDefaultUI: false,
	zoomControl: true
	});
	curposdiv = document.getElementById('curpos');
	curseldiv = document.getElementById('cursel');

	var polyOptions = {
	strokeWeight: 0,
	fillOpacity: 0.45,
	editable: true
	};
	// Creates a drawing manager attached to the map that allows the user to draw
	// markers, lines, and shapes.
	drawingManager = new google.maps.drawing.DrawingManager({
	drawingMode: google.maps.drawing.OverlayType.POLYGON,
	markerOptions: {
	draggable: true,
	editable: true,
	},
	polylineOptions: {
	editable: true
	},
	rectangleOptions: polyOptions,
	circleOptions: polyOptions,
	polygonOptions: polyOptions,
	map: map
	});

	google.maps.event.addListener(drawingManager, 'overlaycomplete', function(e) {
	//~ if (e.type != google.maps.drawing.OverlayType.MARKER) {
	var isNotMarker = (e.type != google.maps.drawing.OverlayType.MARKER);
	// Switch back to non-drawing mode after drawing a shape.
	drawingManager.setDrawingMode(null);

	// Add an event listener that selects the newly-drawn shape when the user
	// mouses down on it.
	var newShape = e.overlay;
	newShape.type = e.type;
	google.maps.event.addListener(newShape, 'click', function() {
	setSelection(newShape, isNotMarker);
	});
	google.maps.event.addListener(newShape, 'drag', function() {
	updateCurSelText(newShape);
	});
	google.maps.event.addListener(newShape, 'dragend', function() {
	updateCurSelText(newShape);
	});
	setSelection(newShape, isNotMarker);
	//~ }// end if
	});

	// Clear the current selection when the drawing mode is changed, or when the
	// map is clicked.
	google.maps.event.addListener(drawingManager, 'drawingmode_changed', clearSelection);
	google.maps.event.addListener(map, 'click', clearSelection);
	google.maps.event.addDomListener(document.getElementById('delete-button'), 'click', deleteSelectedShape);

	buildColorPalette();

	//~ initSearch();
	// Create the search box and link it to the UI element.
	input = /** @type {HTMLInputElement} */( //var
	document.getElementById('pac-input'));
	map.controls[google.maps.ControlPosition.TOP_RIGHT].push(input);
	//
	var DelPlcButDiv = document.createElement('div');
	//~ DelPlcButDiv.style.color = 'rgb(25,25,25)'; // no effect?
	DelPlcButDiv.style.backgroundColor = '#fff';
	DelPlcButDiv.style.cursor = 'pointer';
	DelPlcButDiv.innerHTML = 'DEL';
	map.controls[google.maps.ControlPosition.TOP_RIGHT].push(DelPlcButDiv);
	google.maps.event.addDomListener(DelPlcButDiv, 'click', deletePlacesSearchResults);

	searchBox = new google.maps.places.SearchBox( //var
	/** @type {HTMLInputElement} */(input));

	// Listen for the event fired when the user selects an item from the
	// pick list. Retrieve the matching places for that item.
	google.maps.event.addListener(searchBox, 'places_changed', function() {
	var places = searchBox.getPlaces();

	if (places.length == 0) {
	return;
	}
	for (var i = 0, marker; marker = placeMarkers[i]; i++) {
	marker.setMap(null);
	}

	// For each place, get the icon, place name, and location.
	placeMarkers = [];
	var bounds = new google.maps.LatLngBounds();
	for (var i = 0, place; place = places[i]; i++) {
	var image = {
	url: place.icon,
	size: new google.maps.Size(71, 71),
	origin: new google.maps.Point(0, 0),
	anchor: new google.maps.Point(17, 34),
	scaledSize: new google.maps.Size(25, 25)
	};

	// Create a marker for each place.
	var marker = new google.maps.Marker({
	map: map,
	icon: image,
	title: place.name,
	position: place.geometry.location
	});

	placeMarkers.push(marker);

	bounds.extend(place.geometry.location);
	}

	map.fitBounds(bounds);
	});

	// Bias the SearchBox results towards places that are within the bounds of the
	// current map's viewport.
	google.maps.event.addListener(map, 'bounds_changed', function() {
	var bounds = map.getBounds();
	searchBox.setBounds(bounds);
	curposdiv.innerHTML = "<b>curpos</b> Z: " + map.getZoom() + " C: " + map.getCenter().toUrlValue();
	}); //////////////////////
	}
	google.maps.event.addDomListener(window, 'load', initialize);
	</script>
	</head>
	<body>
	<div id="panel">
	<div id="color-palette"></div>
	<div>
	<button id="delete-button">Delete Selected Shape</button>
	</div>
	<div id="curpos"></div>
	<div id="cursel"></div>
	<div id="note"><small>Note: markers can be selected, but are not graphically indicated; can be deleted, but cannot have their color changed.</small></div>
	</div>
	<input id="pac-input" type="text" placeholder="Search Box">
	<div id="map">A</div>
	</body>
	</html>