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基于天地图实现高级搜索功能

This commit is contained in:
wlx 2014-06-20 06:40:47 +00:00
parent de3e27b48f
commit 910d890ba9
1 changed files with 84 additions and 171 deletions
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255
application/default/views/scripts/search/advance.phtml
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@ -2,185 +2,116 @@
$this->headTitle($this->config->title->site);
$this->headTitle($this->config->title->data);
$this->headTitle('高级搜索');
if (!empty($this->codename)) $this->headTitle($this->codename);
$this->headTitle()->setSeparator(' - ');
$this->headLink()->appendStylesheet('/css/metadata.css');
$this->breadcrumb('<a href="/">首页</a>');
$this->breadcrumb('<a href="/data">'.$this->config->title->data.'</a>');
$this->breadcrumb('高级搜索');
$this->breadcrumb()->setSeparator(' > ');
$this->theme->AppendPlus($this,'google_map_v3');
$this->theme->AppendPlus($this,'google_map_keydragzone');
$this->theme->AppendPlus($this,'tianditu');
$this->theme->AppendPlus($this,'jquery_ui');
$this->theme->AppendPlus($this,'colorbox');
?>
<div>
<?= $this->partial('data/tools.phtml'); ?>
</div>
<?php if (!empty($this->metadata)) :
echo $this->page->getNavigation();?>
<hr />
<?php
foreach($this->metadata as $md) : ?>
<div class="mditem">
<div class="thumb"><img src="/service/thumb/id/<?php echo $md['id'];?>" /></div>
<h2><a href="/data/<?php echo $md['uuid'];?>"><?php echo $this->escape($md['title']);?></a>
</h2>
<span><?php echo mb_strlen($md['description'])>400?$this->escape(mb_substr($md['description'],0,400,'UTF-8').'...'):$this->escape($md['description']);?></span>
</div>
<?php endforeach; ?>
<?php echo $this->page->getNavigation();?>
<?php else: ?>
<div class="row">
<div class="span8" id="map_canvas" style="height:500px;"></div>
<div class="span4">
<form id="search" enctype="application/x-www-form-urlencoded" action="/search" method="get">
<fieldset><legend>时间范围</legend>
<label>
开始时间
<input name="begin" type="text" id="begin" value="<?php echo $this->begin; ?>"/>
</label>
<label>
结束时间
<input name="end" type="text" id="end" value="<?php echo $this->end; ?>" />
</label>
</fieldset>
<fieldset><legend>空间范围(按住shift键，在地图上拉框)</legend>
<label>东
<input name="east" id="east" type="text" value="<?php echo $this->east; ?>"/></label>
<label>南
<input name="south" id="south" type="text" value="<?php echo $this->south; ?>" /></label>
<label>西
<input name="west" id="west" type="text" value="<?php echo $this->west; ?>" /></label>
<label>北
<input name="north" id="north" type="text" value="<?php echo $this->north; ?>" /></label>
</fieldset>
<label>关键词
<input name="q" id="q" type="text" value="<?php echo $this->q; ?>"/></label>
<button id="search" class="btn btn-large btn-block btn-primary" type="submit" value="" onclick="dosubmit()" ><i class="icon-search"></i>搜索</button>
</form>
</div>
<div class="span8" id="map_canvas" style="height:500px;"></div>
<div class="span4">
<form id="search" enctype="application/x-www-form-urlencoded" action="/search" method="get">
<fieldset><legend>时间范围</legend>
<label>开始时间<input name="begin" type="text" id="begin" value="<?php echo $this->begin; ?>"/></label>
<label>结束时间<input name="end" type="text" id="end" value="<?php echo $this->end; ?>" /></label>
</fieldset>
<fieldset><legend>空间范围</legend>
<label>东<input name="east" id="east" type="text" value="<?php echo $this->east; ?>"/></label>
<label>南<input name="south" id="south" type="text" value="<?php echo $this->south; ?>" /></label>
<label>西<input name="west" id="west" type="text" value="<?php echo $this->west; ?>" /></label>
<label>北<input name="north" id="north" type="text" value="<?php echo $this->north; ?>" /></label>
</fieldset>
<label>关键词<input name="q" id="q" type="text" value="<?php echo $this->q; ?>"/></label>
<button id="search" class="btn btn-large btn-block btn-primary" type="submit" value="" onclick="dosubmit()" ><i class="icon-search"></i>搜索</button>
</form>
</div>
</div>
<script type="text/javascript">
$(function() {
//Google map (不启用预先加载)
google.maps.event.addDomListener(window, 'load', initialize);
//jquery ui datepicker
$("#begin").datepicker({dateFormat:"yy-mm-dd"});
$("#end").datepicker({dateFormat:"yy-mm-dd"});
//jquery ui datepicker
$("#begin").datepicker({dateFormat:"yy-mm-dd"});
$("#end").datepicker({dateFormat:"yy-mm-dd"});
});
// Google Map Part
var map = null;
var mapElementID = "map_canvas";
var bounds = null;
var rectangle = null;
var rect = null;
var map,zoom=10,rectTool;
var rectangle;
var input = {east:'#east',west:'#west',north:'#north',south:'#south'};
function initialize() {
//加载地图
var myLatlng = new google.maps.LatLng(35.656456,105.819946);
var myOptions = {
zoom: 3,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(document.getElementById(mapElementID), myOptions);
//Keydragzone
map.enableKeyDragZoom({
key: "shift",
boxStyle: {
border: "1px dashed black",
backgroundColor: "transparent",
opacity: 1.0
},
veilStyle: {
backgroundColor: "white",
opacity: 0.35,
cursor: "crosshair"
}
});
var dz = map.getDragZoomObject();
google.maps.event.addListener(dz, 'dragstart', function (latlng) {
RemoveRectangle();
//console.dir(latlng);
});
google.maps.event.addListener(dz, 'dragend', function (latlng) {
console.log(latlng);
MapValueChange(latlng.fa.d,latlng.$.d,latlng.fa.b,latlng.$.b);
setRectangle(latlng.fa.d,latlng.fa.b,latlng.$.b,latlng.$.d);
//console.dir(latlng);
});
InputValueChange();
//加载地图
var myLatlng = new TLngLat(105.819946,35.656456);
map = new TMap("map_canvas");
map.centerAndZoom(myLatlng,zoom);
map.enableHandleMouseScroll();
var config = {
type:"TMAP_NAVIGATION_CONTROL_LARGE", //缩放平移的显示类型
anchor:"TMAP_ANCHOR_TOP_LEFT", //缩放平移控件显示的位置
offset:[0,0], //缩放平移控件的偏移值
showZoomInfo:true //是否显示级别提示信息，true表示显示，false表示隐藏。
};
//创建缩放平移控件对象
var control=new TNavigationControl(config);
//添加缩放平移控件
map.addControl(control);
control = new TMapTypeControl();
//将地图类型控件添加到地图上
map.addControl(control);
}
var config = {
strokeColor:"#000000", //折线颜色
fillColor:"#FFFFFF", //填充颜色。当参数为空时，折线覆盖物将没有填充效果
strokeWeight:"2px", //折线的宽度，以像素为单位
opacity:0.5, //折线的透明度，取值范围0 - 1
strokeStyle:"dashed" //折线的样式，solid或dashed
};
//创建矩形工具对象
rectTool = new TRectTool(map,config);
//注册矩形工具绘制完成后的事件
TEvent.addListener(rectTool,"draw",onDrawRect);
rectTool.open();
function setRectangle(east,west,south,north){
bounds = new google.maps.LatLngBounds(
new google.maps.LatLng(south,west),
new google.maps.LatLng(north,east)
);
rectangle = new google.maps.Rectangle({
bounds: bounds,
editable: true
});
rectangle.setMap(map);
google.maps.event.addListener(rectangle, 'bounds_changed', function () {
var latlng = rectangle.getBounds();
MapValueChange(latlng.fa.d,latlng.Z.d,latlng.fa.b,latlng.Z.b);
//console.dir(latlng);
});
}
function RemoveRectangle(){
if(rectangle != null)
{
rectangle.setMap(null);
rectangle = null;
}
}
function MapValueChange(east,north,west,south){
$(input.east).val(east);
$(input.north).val(north);
$(input.west).val(west);
$(input.south).val(south);
function onDrawRect(bounds)
{
map.clearOverLays();
rect = new TRect(bounds);
$(input.east).val(bounds.getNorthEast().getLng());
$(input.north).val(bounds.getNorthEast().getLat());
$(input.west).val(bounds.getSouthWest().getLng());
$(input.south).val(bounds.getSouthWest().getLat());
map.addOverLay(rect);
//关闭矩形工具体
//rectTool.close();
}
function InputValueChange(){
if(MapInputValueCheck() == true)
{
if(rectangle == null)
{
setRectangle($(input.east).val(),$(input.west).val(),$(input.south).val(),$(input.north).val());
}else{
var reSetBounds = new google.maps.LatLngBounds(
new google.maps.LatLng($(input.south).val(),$(input.west).val()),
new google.maps.LatLng($(input.north).val(),$(input.east).val())
);
rectangle.setBounds(reSetBounds);
}
}
if(MapInputValueCheck() == true)
{
map.clearOverLays();
rect = new TRect(new TBounds($(input.west).val(),$(input.south).val(),$(input.east).val(),$(input.north).val()));
map.addOverLay(rect);
var p1=new TLngLat($(input.west).val(),$(input.south).val());
var p2=new TLngLat($(input.west).val(),$(input.north).val());
var p3=new TLngLat($(input.east).val(),$(input.north).val());
var p4=new TLngLat($(input.east).val(),$(input.south).val());
map.setViewport(new Array(p1,p2,p3,p4));
}
}
function MapInputValueCheck()
{
if($(input.east).val() != "" && $(input.west).val() != "" && $(input.north).val() != "" && $(input.south).val() != "")
{
return true;
}else{
return false;
}
if($(input.east).val() != "" && $(input.west).val() != "" && $(input.north).val() != "" && $(input.south).val() != "")
{
return true;
}else{
return false;
}
}
$(input.east).bind('blur',InputValueChange);
@ -188,25 +119,7 @@ $(input.west).bind('blur',InputValueChange);
$(input.north).bind('blur',InputValueChange);
$(input.south).bind('blur',InputValueChange);
// Google map Part --End
function Alert(content){
$.colorbox({innerWidth:'40%',html:'<div style="line-height:30px;font-size:16px;">'+ content +'</div>'});
}
function dosubmit() {
theForm.action="/search";
theForm.action="/search";
}
</script>
<div id="help">
<fieldset><legend>搜索说明</legend><ul><li>关键词：您可以使用一个关键词，比如“沙漠”，也可以使用多个关键词，中间用空格分开。</li>
<li>空间范围：这是以度为单位的十进制数字。比如，东经125度30分，可以输入为125.5。您也可以通过下面的在线地图工具直接在图上拉框选择一个范围，空间坐标会自动转换到文本框中。</li>
<li>时间范围：指数据的时间范围，从开始时间到结束时间。开始时间与结束时间可以为空，若仅填写开始时间，则含义为选择大于开始时间的数据。若仅填写结束时间，则含义为选择小于结束时间的数据。时间格式为YYYY-MM-DD。</li>
<li>还不清楚？您可以到<a href="http://forum.westgis.ac.cn/viewforum.php?f=30">论坛</a>提问。</li>
</ul></fieldset>
</div>
<?php endif; ?>
</script>