Lập trình web nâng cao XML - Trường CĐN Đà Lạt

Figure 10-8 ViewTeeTimes.aspx displays a list of available tee times for a given course, and if a valid username and password combination is provided, it provides a link to immediately register for the given tee time.

controller.asp: The file responsible for loading the view XML and transforming it with the XSLT skin.

// Get the view argument

// Define root for client application view = Request.QueryString("view")

base = Request.ServerVariables("SERVER_NAME")+ Replace(Request.ServerVariables("URL"),"controller.asp","")

if Request.ServerVariables("HTTPS") = "ON" Then base = "https://"+base

else

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base = "http://"+base end if

xmlurl = base+"content/"+view+".aspx?" arguments = ""

// Parse additional arguments

For Each item in Request.QueryString

if arguments <> "" then arguments = arguments+"&" itemvalue = Request.QueryString(item)

arguments = arguments+item+"="+itemvalue Next

// Append the argument string to the xmlurl xmlurl = xmlurl+arguments

// Construct a URL to the appropriate skin

// This implementation uses only the Internet Explorer 5.0 skin

// Other skins could be used based on the browser type

if Request.QueryString("skin") <> "" then skin = Request.QueryString("skin")

else

skin = "ie5" end if

xslurl = base+"xslt/"+skin+".xsl"

// Load the XML

// A production implementation should use the multi-threaded version of the DomDocument.

error = false

Set source = Server.CreateObject("MSXML2.DOMDocument") source.async = false

tmp = source.setProperty("ServerHTTPRequest", true) source.load(xmlurl)

Set e = source.parseError if e.errorCode <> 0 then Response.write(e.reason)

// Display error if exists if e.line > 0 Then

Response.write(e.line) Response.write(" ") Response.write(e.linepos) Response.write(" ") Response.write(e.srcText) end if

error = true end if

// Load the XSLT

Set style = Server.CreateObject("MSXML2.DOMDocument") style.async = false

tmp = style.setProperty("ServerHTTPRequest", true) style.load(xslurl)

Set e = style.parseError if e.errorCode <> 0 Then

Response.write(e.reason)

// Display error if exists if e.line > 0 Then Response.write(e.line) Response.write(" ")

Response.write(e.linepos) Response.write(" ") Response.write(e.srcText) end if

error = true end if

if error = false Then

xmlresult = source.transformNode(style) end if

Response.write(xmlresult)

ie5.xs: The XSLT Responsible for transforming the result view XML.

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

<xsl:output method="html" indent="no" />

<xsl:strip-space elements="*" />

<xsl:template match="document">

<html>

<head>

The css styles for ie5.xsl are included with each view in the application at the location css/style.css. Any header/title node can be inserted as the HTML title node.

<xsl:if test="header/title">

<title>

<xsl:value-of select="header/title" />

</title>

</xsl:if>

Hàm JavaScript showTab và các hàm khác sẽ được liệt kê trong phần <![CDATA[...

<![CDATA[

function showTab(section, scnt) { for (i=0; i < scnt; i++) {

t = document.getElementById("s_"+i); if (t) {

if (i == section) { t.style.display = '';

} else {

t.style.display = 'none';

}

function ExpandCollapse(c1,ca) { var ca_a = ca.split(',');

var c1_a = c1.split(',');

c1 = document.getElementById(ca_a[1]); if (c1.style.display == 'none')

expand = true; else

expand = false;

thePlus = ca_a[0]+"_plus_image";

plus_div = document.getElementById(thePlus); if (expand)

{

if (plus_div)

plus_div.src = "./images/minus.gif"; for (i=0; i < c1_a.length; i++)

{

theRow = document.getElementById(c1_a[i]); theRow.style.display = '';

plus_div = document.getElement ById(c1_a[i]+"_plus_image");

if (plus_div)

plus_div.src = "./images/plus.gif";

}

} else {

if (plus_div)

plus_div.src = "./images/plus.gif"; for (i=1; i < ca_a.length; i++)

{

theRow = document.getElementById(ca_a[i]) theRow.style.display = 'none';

}

// ]]>

</script>

</head>

The class attributes throughout ie5.xsl refer to CSS style classes defined in the css.style.css file.

<td>

<a class="header" href="./index.asp">Golf Reservation System</a>

</td>

</tr>

<td>

</td>

</tr>

<tr>

<tr>

<td>

Dẫn hướng:

<a class="navItem"

href="./controller.asp?view=login">My Reservations</a>

</td>

<td>

<a class="navItem" href= "./controller.asp?view=courseSearch">Course Search</a>

</td>

</tr>

</table>

</td>

</tr>

<td>

</td>

</tr>

<tr>

<td>

<tr>

<xsl:apply-templates />

</td>

</tr>

</table>

</td>

</tr>

</table>

</div>

</body>

</html>

</xsl:template>

<xsl:template match="section">

<xsl:apply-templates />

</xsl:template>

<xsl:template match="section/header">

<tr>

<td>

<xsl:value-of select="title" />

</td>

</tr>

</table>

</xsl:template>

<xsl:template match="view">

<xsl:apply-templates />

</xsl:template>

<xsl:template match="description">

<tr>

<td>

<xsl:value-of select="." />

</td>

</tr>

</table>

</xsl:template>

<xsl:template match="properties">

<xsl:apply-templates />

</table>

</xsl:template>

<xsl:template match="property">

<tr>

<td>

<xsl:value-of select="@description" />   </font>

</td>

<td>

<xsl:choose>

<xsl:when test="@href">

<xsl:apply-templates />

</a>

</xsl:when>

<xsl:otherwise>

<xsl:apply-templates />

</xsl:otherwise>

</xsl:choose>

</font>

</td>

</tr>

</xsl:template>

<xsl:template match="form">

function validateForm_<xsl:value-of select="generate-id()"

/>(thisForm)

{

<xsl:for-each select="//input[@type='textarea']">

thisForm.<xsl:value-of select="@name" />.value = document.getElementById('d<xsl:value-of select="generate-id()"

/>').innerHTML;

</xsl:for-each>

<xsl:for-each select="//*[@mandatory='yes']">

<xsl:choose>

<xsl:when test="@type = 'text' or @type='textarea'">

if (!hasValue(thisForm.<xsl:value-of select="@name"

/>,"text"))

{

alert("<xsl:value-of select="@name" /> is mandatory."); var the_field = thisForm.<xsl:value-of select="@name" />;

if(the_field.style.display != "none" &

!the_field.disabled & !the_field.readOnly &

!the_field.editableDiv)

the_field.focus(); return false;

}

</xsl:when>

<xsl:when test="name() = 'choice'">

if (!hasValue(thisForm.<xsl:value-of select="@name"

/>,"select"))

{

alert("<xsl:value-of select="@name" /> is mandatory."); var the_field = thisForm.<xsl:value-of select="@name" />;

if(the_field.style.display != "none" &

!the_field.disabled & !the_field.readOnly &

!the_field.editableDiv)

the_field.focus(); return false;

}

</xsl:when>

</xsl:choose>

</xsl:for-each>

<xsl:for-each select="//input[@datatype]">

if (!isoftype(thisForm.<xsl:value-of select="@name"

/>.value,'<xsl:value-of select="@datatype" />'))

{

alert("<xsl:value-of select="@name" /> is not in

<xsl:value-of select="@datatype" /> format"); return false;

}

</xsl:for-each>

<xsl:choose>

<xsl:when test="@onSubmit">

var rtnval = <xsl:value-of select="@onSubmit" />; return rtnval;

</xsl:when>

<xsl:otherwise> return true;

</xsl:otherwise>

</xsl:choose>

}

</script>

<xsl:for-each select="@*[name() != 'action']">

<xsl:copy>

<xsl:value-of select="." />

</xsl:copy>

</xsl:for-each>

<xsl:apply-templates />

</form>

</xsl:template>

<xsl:template match="input[@type='text']">

<xsl:for-each select="@*[name() != 'name' and name() != 'value']">

<xsl:copy>

<xsl:value-of select="." />

</xsl:copy>

</xsl:for-each>

</input>

<xsl:if test="@mandatory = 'yes'">

</xsl:if>

</xsl:template>

<xsl:template match="input[@type='hidden']">

<xsl:for-each select="@*[name() != 'name' and name() != 'value']">

<xsl:copy>

<xsl:value-of select="." />

</xsl:copy>

</xsl:for-each>

</input>

</xsl:template>

<xsl:template match="input[@type='textarea']">

<xsl:choose>

<xsl:when test="@size='small'">

<xsl:attribute name="style">display:inline;

overflow:scroll;width=350;border:solid;border-style:ridge;

border-width:2;background-color:white;height:150</xsl:attribute>

</xsl:when>

<xsl:when test="@size='medium'">

<xsl:attribute name="style">display:inline;

overflow:scroll;width=350;border:solid;border-style:ridge;

border-width:2;background-color:white;height:250</xsl:attribute>

</xsl:when>

<xsl:when test="@size='large'">

<xsl:attribute name="style">display:inline;

overflow:scroll;width=350;border:solid;border-style:ridge;

border-width:2;background-color:white;height:350</xsl:attribute>

</xsl:when>

<xsl:otherwise>

<xsl:attribute name="style">display:inline;

overflow:scroll;width=350;border:solid;border-style:ridge;

border-width:2;background-color:white;height:350</xsl:attribute>

</xsl:otherwise>

</xsl:choose>

<xsl:value-of disable-output-escaping="yes" select="value" />

</div>

<xsl:if test="@mandatory = 'yes'">

</div>

</xsl:if>

</xsl:template>

<xsl:template match="choice">

<xsl:choose>

<xsl:when test="count(option) > 5">

<xsl:for-each select="@*[name() != 'mandatory']">

<xsl:copy>

<xsl:value-of select="." />

</xsl:copy>

</xsl:for-each>

<xsl:if test="@allowmultiple = 'yes'">

<xsl:attribute name="multiple">yes</xsl:attribute>

<xsl:attribute name="size">5</xsl:attribute>

</xsl:if>

<option value="">Please Choose Below</option>

<xsl:for-each select="option">

<xsl:attribute name="value">

<xsl:value-of select="@value" />

</xsl:attribute>

<xsl:if test="@selected='yes'">

<xsl:attribute name="selected">

<xsl:value-of select="@selected" />

</xsl:attribute>

</xsl:if>

<xsl:value-of select="." />

</option>

</xsl:for-each>

</select>

</xsl:when>

<xsl:otherwise>

<xsl:for-each select="option">

<xsl:choose>

<xsl:when test="../@allowmultiple = 'yes'">

<xsl:value-of select="." /><br />

</xsl:when>

<xsl:otherwise>

<xsl:value-of select="." /><br />

</xsl:otherwise>

</xsl:choose>

</xsl:for-each>

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Ngày đăng: 19/11/2023