91 lines
3.1 KiB
PHP
91 lines
3.1 KiB
PHP
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<?php
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// Utility functions to help display a wizard. Also use wizard.css.
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/* Create an array that lists the page function names and the page titles...
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$pages = array('one' => 'Page One',
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'two' => 'Page Two',
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'three' => 'Page Three',
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);
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*/
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function displayWizard($pages) {
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$keys = array_keys($pages);
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if (isset($_REQUEST['page'])) { // navigate to another page in the wizard
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$page = $_REQUEST['page'];
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$action = $_REQUEST['action'];
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// Figure out the function for this page. Search the keys.
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$k = array_search($page, $keys);
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if ($k === FALSE) { msg('E',"Page $page not found in the wizard."); exit; }
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if ($action == 'back') {
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$k--;
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if ($k < 0) { msg('E',"Can't go backward past the 1st page ($page)."); exit; }
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}
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elseif ($action == 'next') {
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$k++;
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if ($k >= count($pages)) { $k = 0; } // this was the Finish button - go back to the beginning
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}
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elseif ($action == 'cancel') {
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$k = 0;
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//todo: unset all the _SESSION variables
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}
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// Run the function for this page
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$keys[$k]();
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configureButtons($k, $pages);
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}
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else { // initial display of the wizard - show the 1st page
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echo "<div id=outerWizardPane>\n";
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echo "<p id=wizardSummary>";
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$text = array();
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foreach ($keys as $k => $key) { $text[] = "<span id=$key class=NonCurrentSummaryItem>$pages[$key]</span>"; }
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echo implode(' -> ', $text);
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echo "</p>\n";
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echo "<h2 id=wizardHeading>", $pages[$keys[0]], "</h2>\n";
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echo "<div id=wizardPane>\n";
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// The contents of the specific page goes in here
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$keys[0]();
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echo "</div>\n"; // end the inner wizard pane
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// Add the wizard decorations
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insertButtons(
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array('label' => 'Back', 'otherattrs' => 'id=backButton', 'onclick' => '$("#wizardPane").load("?page="+document.currentPage+"&action=back");'),
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array('label' => 'Next', 'otherattrs' => 'id=nextButton', 'onclick' => '$("#wizardPane").load("?page="+document.currentPage+"&action=next");'),
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array('label' => 'Cancel', 'onclick' => '$("#wizardPane").load("?page="'.$keys[0].'"&action=cancel");')
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);
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configureButtons(0, $pages);
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echo "</div>\n"; // end the outer wizard pane
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}
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} // end of displayWizard()
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//-----------------------------------------------------------------------------
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// Disable buttons as appropriate and set current page
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function configureButtons($k, $arr) {
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$keys = array_keys($arr);
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echo "<script type='text/javascript'>";
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// Set the global variable so the buttons know which page this is
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echo "document.currentPage='$keys[$k]';";
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// Move the summary indicator
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echo '$("#wizardSummary span").removeClass("CurrentSummaryItem");';
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echo '$("#wizardSummary #', $keys[$k], '").addClass("CurrentSummaryItem");';
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// Change the title
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echo '$("#wizardHeading").text("', $arr[$keys[$k]], '");';
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// Adjust the buttons appropriately for this page
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if ($k <= 0) { echo '$("#backButton").hide();'; } // disable back button
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else { echo '$("#backButton").show();'; }
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if ($k >= (count($arr)-1)) { echo '$("#nextButton span").text("Finish");'; } // disable next button
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else { echo '$("#nextButton span").text("Next");'; }
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echo "</script>\n";
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}
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?>
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