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editTree.php
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<?php
include('inc.general.php');
$cmd = Util::makeVar( 'cmd' );
$treeID = Util::makeVar( 'treeID' );
$branchID = Util::makeVar( 'branchID' );
$branchContent = Util::makeVar( 'branchContent' );
$forks = Util::makeVar( 'forks' );
$revision = Util::makeVar( 'revision' );
$tree = new DecisionTree( $treeID );
if( !empty( $revision ) ){
$tree->loadRevision( $revision );
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Interactive Decision Tree - Editor</title>
<link href="css/editor.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/editor.js"></script>
</head>
<body>
<h1>Interactive Decision Tree - Editor</h1>
<div id="debug"></div>
<?php
switch( $cmd ){
case 'edit-tree':
case 'new-tree':
showTreeForm( $tree, $revision );
if( !empty( $tree->treeID ) ){
$tree->overview();
}
break;
case 'save-tree':
saveTree( $tree, $revision );
showTreeForm( $tree, $revision );
$tree->overview();
break;
case 'save-branch':
saveBranch( $tree );
$tree->saveData();
showTreeForm( $tree, $revision );
$tree->overview();
break;
case 'edit-branch':
case 'new-branch':
showBranchForm( $tree, $branchID );
break;
default:
showList( $tree );
}
?>
</body>
</html>
<?php
function showList( $tree ){
?>
<a class="btnCreateNewTree">Create a new decision tree »</a>
<?php
$tree->listAll();
}
function showTreeForm( $tree, $selectedRevision ){
$treeViewerID = substr( substr( $tree->treeID, 0, strlen( $tree->treeID ) - 4 ), 4 );
?>
<p><a href="<?php echo EDITOR_URL; ?>">« Return to list</a>
<a target="_blank" href="<?php echo VIEWER_URL; ?>?<?php echo $treeViewerID; ?>">View tree in new window »</a></p>
<form id="tree-editor" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
<?php
if( !empty( $tree->revisions ) ){
?>
<select id="revisions" name="revision">
<option value="">View Revisions</option>
<?php
foreach( $tree->revisions as $revision ){
$selectedHTML = '';
$revisionParts = split( '\.', $revision );
$revisionTS = array_pop( $revisionParts );
$revisionTime = date( 'D M jS, Y g:i a T', $revisionTS );
if( $revisionTS == $selectedRevision ){
$selectedHTML = 'selected="true"';
}
echo '<option ' . $selectedHTML . ' value="' . $revisionTS . '">' . $revisionTime . '</option>';
}
$checkedHTML = '';
if( !empty( $tree->resetText ) ){ $checkedHTML = 'checked'; }
?>
</select>
<?php
}
?>
<p><label for="title">Title:</label><br />
<input type="text" id="title" name="treeTitle" value="<?php echo $tree->title; ?>" /></p>
<p><label for="description">Description:</label><br />
<textarea id="description" name="treeDescription"><?php echo $tree->description; ?></textarea></p>
<p><label for="reset">
<input type="checkbox" id="show-reset" <?php echo $checkedHTML; ?> /> Show reset/home link?</label><br />
<input type="text" id="reset-text" name="resetText" placeholder="text for link (e.g. Start again)" disabled value="<?php echo $tree->resetText; ?>" /></p>
<p><input type="submit" value="Save" />
<input type="hidden" id="treeID" name="treeID" value="<?php echo $tree->treeID; ?>" />
<input type="hidden" name="cmd" id="cmd" value="save-tree" /></p>
</form>
<?php
}
function saveTree( $tree, $selectedRevision ){
if( empty( $tree->treeID ) ){
$tree->createNewTree();
}
if( !empty( $selectedRevision ) ){
$tree->loadRevision( $selectedRevision );
}
$tree->title = Util::makeVar( 'treeTitle' );
$tree->description = Util::makeVar( 'treeDescription' );
$tree->resetText = Util::makeVar( 'resetText' );
$tree->saveData();
}
function showBranchForm( $tree, $branchID ){
$branch = $tree->getBranch( $branchID );
if( empty( $branch ) ){
// This is a new branch. Add some default data.
$branch = new Branch();
$branch->ID = $branchID;
$branch->forks[$branchID . '.1'] = 'Yes';
$branch->forks[$branchID . '.2'] = 'No';
}
?>
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>" id="branch-editor">
<p><label for="content">Question/Decision Text:</label><br />
<textarea id="content" name="branchContent"><?php echo $branch->content; ?></textarea>
<div class="note">Enter a URL above to route users there instead of displaying text (e.g. http://hungry-media.com)</div></p>
<p id="forks"><label for="fork">Options:</label><br />
<?php
foreach( $branch->forks as $forkID => $forkLabel ){
?>
<span><input class="fork" type="text" id="fork-<?php echo $forkID; ?>" name="fork-<?php echo $forkID; ?>" value="<?php echo $forkLabel; ?>" /> <a href="#" class="btnRemoveFork">« Remove</a><br /></span>
<?php
}
?></p>
<a href="#" id="btnAddFork">Add Another</a>
<p><input type="submit" value="Save" />
<input type="hidden" name="cmd" id="cmd" value="save-branch" />
<input class="btnCancel" type="button" value="cancel" />
<input type="hidden" id="branchID" name="branchID" value="<?php echo $branchID; ?>" />
<input type="hidden" id="treeID" name="treeID" value="<?php echo $tree->treeID; ?>" />
</p>
</form>
<?php
}
function saveBranch( $tree ){
$branchID = Util::makeVar( 'branchID' );
$branch = $tree->getBranch( $branchID );
if( empty( $branch ) ){
// This is a new branch. Add some default data.
$branch = new Branch();
$branch->ID = $branchID;
}
$branch->content = Util::makeVar( 'branchContent' );
// Add forks and branches
$passedForks = array();
foreach( $_POST as $formField => $formValue ){
if( substr( $formField, 0, 5 ) == 'fork-' ){
// get forkID from field name
$fieldParts = split( '-', $formField );
$forkID = str_replace( '_', '.', $fieldParts[1]);
array_push( $passedForks, $forkID );
$branch->forks[$forkID] = $formValue;
$forkBranch = $tree->getBranch( $forkID );
if( empty( $forkBranch ) ){
$forkBranch = new Branch();
$forkBranch->ID = $forkID;
$tree->saveBranch( $forkBranch );
}
unset( $forkBranch );
}
}
// remove any forks from the branch that weren't passed
foreach( $branch->forks as $forkID => $forkLabel ){
if( !in_array( $forkID, $passedForks ) ){
unset( $branch->forks[$forkID] );
// remove the branches as well
$tree->removeBranch( $forkID );
}
}
$tree->saveBranch( $branch );
}
function validateForm( $tree ){
}
?>