Australian Indigenous Language Image Map Checkbox Tutorial

Australian Indigenous Language Image Map Checkbox Tutorial

Australian Indigenous Language Image Map Checkbox Tutorial

Like yesterday, today we mix geography and history in an image map web application exploring Indigenous Australian Language, History and Culture, “the oldest surviving culture in the world”. Today’s tutorial, extending on yesterday’s Australian Indigenous Language Image Map Dropdown Tutorial continues the Javascript DOM methodology, and shows the use of checkboxes.

The HTML input tag’s checkbox type is a “binary” decision maker, boiling down to a yes/no (or true/false) decision on something. A related HTML input tag type is called the radio button, which allows two or more choices, only one of which can be yes (or true). Checkboxes are more independent than radio buttons, and perhaps more generically useful in that respect. However, if stringency and transparency of purpose is what you are after, a radio button leaves no doubt as to interpretation for the user, usually, because the element can only highlight at most one option.

Our checkboxes today are for …

  1. Images (will result in Google Image Search)
  2. Videos (will result in Google Video Search (if no Image Searching is happening))
  3. Map (will additionally result in popup window of Google Map Chart (see also PHP/Javascript/HTML Google Chart Map Tutorial) of the tribal area)

As you can see, there is more complication here that a radio button, on its own, cannot resolve.

Just reviewing how we got here … we established a “MobileFish” inspired HTML map element scenario with the following components …

  • a brilliant piece of research from the University of Western Sydney and ending up on the TreatyRepublic.net website as a map image … thanks
  • using the wonderful MobileFish image map (HTML element) creator helper … thanks

From there we’ve been developing external Javascript to allow a dropdown and checkboxes, with minimal change to that originally written HTML, and without resorting to PHP usage.

So please take a look at today’s live run (HTML source code (you could call) aboriginal_language_regions.html unchanged from yesterday, and calling on the external Javascript aboriginal_language_regions.js changed as per this link from yesterday) where we add those three new checkbox elements to refine our Google Search information, and add “map” functionality via Google Map Chart.


Previous relevant Australian Indigenous Language Image Map Dropdown Tutorial is shown below.

Australian Indigenous Language Image Map Dropdown Tutorial

Australian Indigenous Language Image Map Dropdown Tutorial

Today we mix geography and history in an image map web application exploring Indigenous Australian Language, History and Culture. We’ll be devoting a blog posting to the subject in the future, but today’s tutorial, extending on yesterday’s Australian Indigenous Language Image Map Primer Tutorial and its promise of more Javascript DOM functionality to follow, uses a Javascript DOM technique we term here, the “Javascript DOM Big Changes” technique, which is the idea of manipulating “document.body.innerHTML” as a whole.

This technique of manipulating “document.body.innerHTML” as a whole is all fine to do, but you should remember with it that values the user has set, since, with dropdown selection, for instance, need to be taken into account, as a separate stage afterwards, with this method … you’ll see what we mean …

www.aboriginalculture.com.au/introduction.shtmlIntroduction to Australia’s Aboriginal Culture by David M. Welch. … Aboriginal culture probably represents the oldest surviving culture in the world


function selchange(osel) {
var ov=osel.value;
var oi=osel.id;
document.body.innerHTML = document.body.innerHTML.replace(/" target="_blank"/g, "+'" + ov.replace(/ /g, "%20") + "'" + '" target="_blank"');
document.getElementById(oi).value = ov;
}

… in code above, for the dropdown’s “onchange” event logic … or by trying your own scenarios … which am 100% certain you’ll be beavering away at within minutes of reading today’s offering?!

Is the “document.body.innerHTML” a refresh? It sort of acts like one, but it is more as well, because you have your own logic controls over what gets “refreshed into” … something a little more comfortable, perhaps?!

Now, back to the real world purpose of this technique. Yesterday we established a “MobileFish” inspired HTML map element scenario with the following components …

  • a brilliant piece of research from the University of Western Sydney and ending up on the TreatyRepublic.net website as a map image … thanks
  • using the wonderful MobileFish image map (HTML element) creator helper … thanks

… so now we virtually leave that HTML intact and only mildly changed, and do not use PHP, no matter how tempting that is for me to do, and use Javascript on that existant HTML (which, by the way, will eventually be fleshed out to avoid ‘Under construction’ messages, eventually) to perform significant functional improvements. This Javascript is external Javascript, hence the minimalist approach to changes to the HTML.

So take a look at today’s live run (HTML source code (you could call) aboriginal_language_regions.html changed as per this link from yesterday, and calling on the external Javascript aboriginal_language_regions.js) where we add the dropdown HTML select element at the top to refine our Google Search information.


Previous relevant Australian Indigenous Language Image Map Primer Tutorial is shown below.

Australian Indigenous Language Image Map Primer Tutorial

Australian Indigenous Language Image Map Primer Tutorial

We want to show more ideas with Javascript DOM and the HTML map element over coming days.

The HTML map element is a very useful way to combine a graphical image with web functionality, by turning that image into a clickable, by region, entity.

For the theme of work over the next few days we combine history and geography. Remember at school that history and geography were choices at a certain stage of schooling, but today, we try to use geography to foster an interest in history … after all, where we live is really important to how history pans out for society.

Was inspired by a story of a several meter high atlas that is currently on display in our New South Wales library … and it takes two people to turn a page, else the weight of the page will tear it with only one person turning.

This thought of maps combined with me with a story about how diverse and interesting our Australian Indigenous Languages are here in Australia. There are hundreds of languages involved in Australia’s history, though we often only think of English … so take a look at today’s live run (HTML source code (you could call) aboriginal_language_regions.html) where we show …

  • a brilliant piece of research from the University of Western Sydney and ending up on the TreatyRepublic.net website as a map image … thanks
  • using the wonderful MobileFish image map (HTML element) creator helper … thanks

… to set up that initial additional “onclick” intelligence that takes you to some Google search engine opportunities to link a region of Australia with an indigenous tribe (and its language), as a first step in the functionality we develop over time.

If this was interesting you may be interested in this too.


If this was interesting you may be interested in this too.


If this was interesting you may be interested in this too.

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