diff options
| author | xue <> | 2006-06-28 18:23:52 +0000 |
|---|---|---|
| committer | xue <> | 2006-06-28 18:23:52 +0000 |
| commit | 9afa1445890254e867dd172a36f42484aec8916b (patch) | |
| tree | 426e35c0dd556d3bb194a30c2f80564dda55f191 /demos/quickstart/protected/pages/Controls/Samples/TPager/Sample1.php | |
| parent | aac749d4fbfdf3508d97f7dfe4d7c2c03597edbb (diff) | |
merge from 3.0 branch till 1208.
Diffstat (limited to 'demos/quickstart/protected/pages/Controls/Samples/TPager/Sample1.php')
| -rw-r--r-- | demos/quickstart/protected/pages/Controls/Samples/TPager/Sample1.php | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/demos/quickstart/protected/pages/Controls/Samples/TPager/Sample1.php b/demos/quickstart/protected/pages/Controls/Samples/TPager/Sample1.php new file mode 100644 index 00000000..e5446f60 --- /dev/null +++ b/demos/quickstart/protected/pages/Controls/Samples/TPager/Sample1.php @@ -0,0 +1,82 @@ +<?php
+
+class Sample1 extends TPage
+{
+ /**
+ * Returns total number of data items.
+ * In DB-driven applications, this typically requires
+ * execution of an SQL statement with COUNT function.
+ * Here we simply return a constant number.
+ */
+ protected function getDataItemCount()
+ {
+ return 19;
+ }
+
+ /**
+ * Fetches a page of data.
+ * In DB-driven applications, this can be achieved by executing
+ * an SQL query with LIMIT clause.
+ */
+ protected function getData($offset,$limit)
+ {
+ $data=array(
+ array('id'=>'ITN001','name'=>'Motherboard','quantity'=>1,'price'=>100.00,'imported'=>true),
+ array('id'=>'ITN002','name'=>'CPU','quantity'=>1,'price'=>150.00,'imported'=>true),
+ array('id'=>'ITN003','name'=>'Harddrive','quantity'=>2,'price'=>80.00,'imported'=>true),
+ array('id'=>'ITN004','name'=>'Sound card','quantity'=>1,'price'=>40.00,'imported'=>false),
+ array('id'=>'ITN005','name'=>'Video card','quantity'=>1,'price'=>150.00,'imported'=>true),
+ array('id'=>'ITN006','name'=>'Keyboard','quantity'=>1,'price'=>20.00,'imported'=>false),
+ array('id'=>'ITN007','name'=>'Monitor','quantity'=>2,'price'=>300.00,'imported'=>true),
+ array('id'=>'ITN008','name'=>'CDRW drive','quantity'=>1,'price'=>40.00,'imported'=>true),
+ array('id'=>'ITN009','name'=>'Cooling fan','quantity'=>2,'price'=>10.00,'imported'=>false),
+ array('id'=>'ITN010','name'=>'Video camera','quantity'=>20,'price'=>30.00,'imported'=>true),
+ array('id'=>'ITN011','name'=>'Card reader','quantity'=>10,'price'=>24.00,'imported'=>true),
+ array('id'=>'ITN012','name'=>'Floppy drive','quantity'=>50,'price'=>12.00,'imported'=>false),
+ array('id'=>'ITN013','name'=>'CD drive','quantity'=>25,'price'=>20.00,'imported'=>true),
+ array('id'=>'ITN014','name'=>'DVD drive','quantity'=>15,'price'=>80.00,'imported'=>true),
+ array('id'=>'ITN015','name'=>'Mouse pad','quantity'=>50,'price'=>5.00,'imported'=>false),
+ array('id'=>'ITN016','name'=>'Network cable','quantity'=>40,'price'=>8.00,'imported'=>true),
+ array('id'=>'ITN017','name'=>'Case','quantity'=>8,'price'=>65.00,'imported'=>false),
+ array('id'=>'ITN018','name'=>'Surge protector','quantity'=>45,'price'=>15.00,'imported'=>false),
+ array('id'=>'ITN019','name'=>'Speaker','quantity'=>35,'price'=>65.00,'imported'=>false),
+ );
+ return array_slice($data,$offset,$limit);
+ }
+
+ /**
+ * Determines which page of data to be displayed and
+ * populates the datalist with the fetched data.
+ */
+ protected function populateData()
+ {
+ $offset=$this->DataList->CurrentPageIndex*$this->DataList->PageSize;
+ $limit=$this->DataList->PageSize;
+ if($offset+$limit>$this->DataList->VirtualItemCount)
+ $limit=$this->DataList->VirtualItemCount-$offset;
+ $data=$this->getData($offset,$limit);
+ $this->DataList->DataSource=$data;
+ $this->DataList->dataBind();
+ }
+
+ public function onLoad($param)
+ {
+ parent::onLoad($param);
+ if(!$this->IsPostBack)
+ {
+ $this->DataList->VirtualItemCount=$this->DataItemCount;
+ $this->populateData();
+ }
+ }
+
+ /**
+ * Event handler to the OnPageIndexChanged event of pagers.
+ */
+ public function pageChanged($sender,$param)
+ {
+ $this->DataList->CurrentPageIndex=$param->NewPageIndex;
+ $this->populateData();
+ }
+}
+
+?>
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