Web Page Layout

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Web Page LayoutWeb Page Layout

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Advanced Tables

• Tables are usually required if you want to apply a complex layout to a webpage

• You have to be confident with colspan and rowspan to make it work

• Proper planning on paper is important. Boxed paper is very handy

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Café Segovia

Location

Our Coffees

Menu

Take Out

Catering

Contact Us

Café Segovia del Norte

Hola!Blah blah blah blah blah blah blah los cafes mejores del mundo blah blah blah blah blah blah blah blah blah blah blah blah

Location

Our Coffees

Menu

Take Out

Catering

Contact Us



colspan=“2”

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Café Segovia

Location

Our Coffees

Menu

Take Out

Catering

Contact Us



<table><tr><td colspan=“2” bgcolor=“#663300”><font size=“+2” color=“#ffcc99”>Café Segovia del Norte</font></td></tr><tr><td bgcolor=“#996600”><font color=“#cccc99”>Location<br />Our Coffees<br /> Menu<br />Take Out<br />Catering<br />Contact Us</font></td><td bgcolor=“#cccc99”><center><img src=“cup.gif” width=“100” height=“100” alt=“cup”/></center>Blah blah blah</td></tr></table>

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Control over tables is limited

Location

Our Coffees

Menu

Take Out

Catering

Contact Us



Location

Our Coffees

Menu

Take Out

Catering

Contact Us



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Table Column Width

• Table column widths are assigned in proportion to the length of the contents

• (Length of the longest line)

aaa ccccccccc

bbb

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Table Column Width

• Table cells expand to accommodate images

• Images can be used to force a column or row to be a minimum size

aaa ccccccccc

bbb

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Notorious OPG

• Many web page designers use One Pixel GIFs to create space on a page

• Very small• Same colour as

background or transparent

• Resized dynamically

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Table attributes

• table width=“500” table 500 pixels• table width =“50%” half the window width• td width = “200”• tr height = “100”• td bgcolor=“#ff00fff”• tr background=“pattern.gif”

• Some attributes can be used in tables, but their support and implementation may vary wildly from browser to browser

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Slices

• Sliced up images spread over many table cells are often used to page layout

• Individual images can be clicked for navigation

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HyperMegaGlobal Corp.Services StaffProducts Locations

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Navigation Bars

• Navigation bars are often used to at the front door of a site to link to major sections

• Section names should be chosen carefully

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Navigation Bars

<table width=“400” cellspacing=“0” cellpadding=“0” bgcolor=“#cccc99”><tr><td> </td><td> </td><td colspan=“2”>HyperMegaGlobal Corp.</td></tr><tr><td width=“100”><a href=“products.html”><img src=“prod.jpg”width=“100 height=“40” /></a></td><td width=“100”><a href=“services.html”><img src=“serv.jpg”width=“100 height=“40” /></a></td><td width=“100”><a href=“staff.html”><img src=“staf.jpg”width=“100 height=“40” /></a></td><td width=“100”><a href=“locations.html”><img src=“loca.jpg”width=“100 height=“40” /></a></td></tr><tr><td colspan=“4”>blah blah blah</td></tr></table>

HyperMegaGlobal Corp.Services StaffProducts Locations

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Image Maps

• Image Maps allow hotspots to be defined on areas of an image file

• Image maps can be client side and server side

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Server Side Image Maps• User clicks on image• Co-ordinates of click are sent

by browser to the server• Server determines what URL

send user• This requires a special script to

be running on the server. Many web-hosting companies are cautious about user-defined code

Co-ordinates

Script figuresout what to do

User

URL

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Client Side Image Maps

• User clicks on image• The browser executes

code that determines if the location clicked is a hot spot

• it follows the link• No special interaction with

the server is required. The client (browser) does all the work

User

URL

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• Client side images maps specify the co-ordinates of rectangles, circles, and polygons

• And a default

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< area shape=“rect” coords=“65, 120, 106, 171” href=“ireland.html”/>

65, 120

106, 171

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< area shape=“circle” coords=“210, 160, 40” href=“n-europe.html”/>

210,160 40

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< area shape=“poly” coords=“75, 250, 150, 220, 200, 300, 50, 350” href=“iberia.html”/>

75, 250

200, 300

50, 350

150, 220

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• <head>• <map name=“euro-night”>• <area shape=“rect” coords=“65, 120,

106, 171” href=“ireland.html”/>• <area shape=“circle” coords=“210, 160,

40” href=“n-europe.html”/>• <area shape=“poly” coords=“75, 250,

150, 220, 200, 300, 50, 350” href=“iberia.html”/>

• </map>• </head>

<img usemap=“#euro-night” src=“nasa-europe-night.jpg”/>

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Frames

• Frames are used to divide the browser into separate areas

• Each frame can load a separate HTML document

• Each frame scrolls independently

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Frames

• One of the frames is usually used as a navigation bar

• The content can be loaded in other frames while the navigation bar remains constant

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<html>

<head>

<title>Frames Test</title>

</head>

<frameset cols="75,*">

<frame src="frame1.html">

<frame src="frame2.html">

</frameset>

<noframes>

Sorry! You need a frames-enabled browser to view this page correctly.

</noframes>

</html>

75 pixels

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<html><head><title>Frames Test</title></head><frameset rows="50,*"><frame src="header.html"><frameset cols=“175,*" ><frame src="trc1.html" name="tapas-

list"><frame src="trc2.html"

name="recipe"></frameset></frameset></html>

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<frameset rows="50,*"><frame src="header.html"><frameset cols="175,*" ><frame src="trc1.html" name="tapas-list” scrolling=“no”><frame src="trc2.html" name="recipe"></frameset></frameset>

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<html>

<head>

<title>Frames Test</title>

</head>

<body bgcolor="#996600" text="#cccc99">

<h3>Tapas</h3><br />

<a href="tortilla.html" target="recipe">Spanish Omlette</a>

<br />

Buñuelos de Bacalao<br />

<a href="squid.html" target="recipe">Squid</a>

<br />

Pulpo a la Gallega<br />

Baby Eel Tartlets<br />

Chorizo<br />

Links can be targeted to a specific named frame

Documents

Web Page Layout