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MDL-11131 - fixed the weight of sticky blocks as it moved around.

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This commit is contained in:
Rossiani Wijaya
2010-01-20 04:36:23 +00:00
parent e3fb0b7847
commit 1833b24abb
3 changed files with 121 additions and 86 deletions
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lib/blocklib.php
+68 -46
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@@ -254,28 +254,27 @@ function blocks_have_content(&$pageblocks, $position) {
// Parameters passed by reference for speed; they are not modified.
function blocks_print_group(&$page, &$pageblocks, $position) {
global $COURSE, $CFG, $USER;
$isediting = $page->user_is_editing();
if (empty($pageblocks[$position])) {
$groupblocks = array();
$maxweight = 0;
$maxweight = 0;
} else {
$groupblocks = $pageblocks[$position];
$maxweight = max(array_keys($groupblocks));
$maxweight = max(array_keys($groupblocks));
}
if (!empty($CFG->ajaxcapable) && $CFG->ajaxcapable && !empty($COURSE->javascriptportal) && $isediting) {
$COURSE->javascriptportal->currentblocksection = $position;
$COURSE->javascriptportal->block_add($position.'inst0', FALSE);
}
foreach ($groupblocks as $instance) {
if (!empty($instance->pinned)) {
$maxweight--;
}
}
$isediting = $page->user_is_editing();
foreach($groupblocks as $instance) {
// $instance may have ->rec and ->obj
// cached from when we walked $pageblocks
// in blocks_have_content()
@@ -331,7 +330,7 @@ function blocks_print_group(&$page, &$pageblocks, $position) {
if ($isediting) {
$obj->_print_shadow();
}
} else {
} else {
global $COURSE;
if(!empty($COURSE->javascriptportal)) {
$COURSE->javascriptportal->currentblocksection = $position;
@@ -339,11 +338,11 @@ function blocks_print_group(&$page, &$pageblocks, $position) {
$obj->_print_block();
}
if (!empty($COURSE->javascriptportal)
&& (empty($instance->pinned) || !$instance->pinned)) {
&& (empty($instance->pinned) || !$instance->pinned)) {
$COURSE->javascriptportal->block_add('inst'.$instance->id, !$instance->visible);
}
}
} // End foreach
// Check if
// we are on the default position/side AND
// we're editing the page AND
@@ -364,8 +363,12 @@ function blocks_print_group(&$page, &$pageblocks, $position) {
if ($page->blocks_default_position() == $position &&
$page->user_is_editing() &&
($managecourseblocks || $editmymoodle || $myownblogpage || defined('ADMIN_STICKYBLOCKS'))) {
print_side_block(NULL,NULL, NULL, NULL, NULL, array('id'=> BLOCK_POS_RIGHT.'inst0', 'class'=>'tempblockhandler'));
blocks_print_adminblock($page, $pageblocks);
} else if ($page->user_is_editing() &&
($managecourseblocks || $editmymoodle || $myownblogpage || defined('ADMIN_STICKYBLOCKS'))) {
print_side_block(NULL,NULL, NULL, NULL, NULL, array('id'=> BLOCK_POS_LEFT.'inst0', 'class'=>'tempblockhandler'));
}
}
@@ -507,7 +510,7 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
// To this data, add anything the page itself needs to display
$hiddendata = array_merge($hiddendata, $page->url_get_parameters());
if($data = data_submitted()) {
if ($data = data_submitted()) {
$remove = array_keys($hiddendata);
foreach($remove as $item) {
unset($data->$item);
@@ -558,31 +561,36 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
blocks_delete_instance($instance, $pinned);
break;
case 'moveup':
if(empty($instance)) {
if (empty($instance)) {
error('Invalid block instance for '. $blockaction);
}
if($instance->weight == 0) {
if ($instance->weight == 0) {
// The block is the first one, so a move "up" probably means it changes position
// Where is the instance going to be moved?
$newpos = $page->blocks_move_position($instance, BLOCK_MOVE_UP);
$newweight = (empty($pageblocks[$newpos]) ? 0 : max(array_keys($pageblocks[$newpos])) + 1);
blocks_execute_repositioning($instance, $newpos, $newweight, $pinned);
}
else {
} else {
// The block is just moving upwards in the same position.
// This configuration will make sure that even if somehow the weights
// become not continuous, block move operations will eventually bring
// the situation back to normal without printing any warnings.
if(!empty($pageblocks[$instance->position][$instance->weight - 1])) {
$other = $pageblocks[$instance->position][$instance->weight - 1];
// the situation back to normal without printing any warnings.
if (!empty($pageblocks[$instance->position][$instance->weight - 1])) {
//define instance's position in the array
foreach ($pageblocks[$instance->position] as $instancekeysindex => $index ){
if ($pageblocks[$instance->position][$instancekeysindex]->blockid == $instance->blockid){
$instanceindex = $instancekeysindex;
}
}
$other = $pageblocks[$instance->position][$instanceindex - 1];
}
if(!empty($other)) {
if (!empty($other)) {
++$other->weight;
if (!empty($pinned)) {
if (!empty($pinned)) {
update_record('block_pinned', $other);
} else {
} else {
update_record('block_instance', $other);
}
}
@@ -591,15 +599,14 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
update_record('block_pinned', $instance);
} else {
update_record('block_instance', $instance);
}
}
}
break;
case 'movedown':
if(empty($instance)) {
if (empty($instance)) {
error('Invalid block instance for '. $blockaction);
}
if($instance->weight == max(array_keys($pageblocks[$instance->position]))) {
if ($instance->weight == max(array_keys($pageblocks[$instance->position]))) {
// The block is the last one, so a move "down" probably means it changes position
// Where is the instance going to be moved?
$newpos = $page->blocks_move_position($instance, BLOCK_MOVE_DOWN);
@@ -612,10 +619,16 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
// This configuration will make sure that even if somehow the weights
// become not continuous, block move operations will eventually bring
// the situation back to normal without printing any warnings.
if(!empty($pageblocks[$instance->position][$instance->weight + 1])) {
$other = $pageblocks[$instance->position][$instance->weight + 1];
}
if(!empty($other)) {
if (!empty($pageblocks[$instance->position][$instance->weight + 1])) {
//define instance's position in the array
foreach ($pageblocks[$instance->position] as $instancekeysindex => $index ){
if ($pageblocks[$instance->position][$instancekeysindex]->blockid == $instance->blockid){
$instanceindex = $instancekeysindex;
}
}
$other = $pageblocks[$instance->position][$instanceindex + 1];
}
if (!empty($other)) {
--$other->weight;
if (!empty($pinned)) {
update_record('block_pinned', $other);
@@ -628,18 +641,22 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
update_record('block_pinned', $instance);
} else {
update_record('block_instance', $instance);
}
}
}
break;
case 'moveleft':
if(empty($instance)) {
error('Invalid block instance for '. $blockaction);
}
// Where is the instance going to be moved?
$newpos = $page->blocks_move_position($instance, BLOCK_MOVE_LEFT);
$newweight = (empty($pageblocks[$newpos]) ? 0 : max(array_keys($pageblocks[$newpos])) + 1);
$newweight = 0;
if (!empty($pinned) && !empty($pageblocks[$newpos]) ){
$newweight = $pageblocks[$newpos][max(array_keys($pageblocks[$newpos])) ]->weight + 1;
} else if(!empty($pageblocks[$newpos]) && (!array_key_exists('pinned', $pageblocks[$newpos][max(array_keys($pageblocks[$newpos]))])) ){
$newweight = $pageblocks[$newpos][max(array_keys($pageblocks[$newpos])) ]->weight + 1;
}
blocks_execute_repositioning($instance, $newpos, $newweight, $pinned);
break;
case 'moveright':
@@ -649,8 +666,13 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
// Where is the instance going to be moved?
$newpos = $page->blocks_move_position($instance, BLOCK_MOVE_RIGHT);
$newweight = (empty($pageblocks[$newpos]) ? 0 : max(array_keys($pageblocks[$newpos])) + 1);
$newweight = 0;
if (!empty($pinned) && !empty($pageblocks[$newpos]) ){
$newweight = $pageblocks[$newpos][max(array_keys($pageblocks[$newpos])) ]->weight + 1;
}else if(!empty($pageblocks[$newpos]) && (!array_key_exists('pinned', $pageblocks[$newpos][max(array_keys($pageblocks[$newpos]))])) ){
$newweight = $pageblocks[$newpos][max(array_keys($pageblocks[$newpos])) ]->weight + 1;
}
blocks_execute_repositioning($instance, $newpos, $newweight, $pinned);
break;
case 'add':
@@ -707,7 +729,7 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
break;
}
if ($redirect) {
if ($redirect) {
// In order to prevent accidental duplicate actions, redirect to a page with a clean url
redirect($page->url_get_full());
}
@@ -716,7 +738,7 @@ function blocks_execute_action($page, &$pageblocks, $blockaction, $instanceorid,
// You can use this to get the blocks to respond to URL actions without much hassle
function blocks_execute_url_action(&$PAGE, &$pageblocks,$pinned=false) {
$blockaction = optional_param('blockaction', '', PARAM_ALPHA);
if (empty($blockaction) || !$PAGE->user_allowed_editing() || !confirm_sesskey()) {
return;
}
@@ -745,8 +767,8 @@ function blocks_execute_repositioning(&$instance, $newpos, $newweight, $pinned=f
}
// Close the weight gap we 'll leave behind
if (!empty($pinned)) {
$sql = 'UPDATE '. $CFG->prefix .'block_instance SET weight = weight - 1 '.
if (!empty($pinned)) {
$sql = 'UPDATE '. $CFG->prefix .'block_pinned SET weight = weight - 1 '.
'WHERE pagetype = \''. $instance->pagetype.
'\' AND position = \'' .$instance->position.
'\' AND weight > '. $instance->weight;
@@ -799,7 +821,7 @@ function blocks_move_block($page, &$instance, $destpos, $destweight=NULL, $pinne
// First we close the gap that will be left behind when we take out the
// block from it's current column.
if ($pinned) {
$closegapsql = "UPDATE {$CFG->prefix}block_instance
$closegapsql = "UPDATE {$CFG->prefix}block_pinned
SET weight = weight - 1
WHERE weight > '$instance->weight'
AND position = '$instance->position'
@@ -818,7 +840,7 @@ function blocks_move_block($page, &$instance, $destpos, $destweight=NULL, $pinne
// Now let's make space for the block being moved.
if ($pinned) {
$opengapsql = "UPDATE {$CFG->prefix}block_instance
$opengapsql = "UPDATE {$CFG->prefix}block_pinned
SET weight = weight + 1
WHERE weight >= '$destweight'
AND position = '$destpos'
@@ -948,7 +970,7 @@ function blocks_print_adminblock(&$page, &$pageblocks) {
global $USER;
$missingblocks = blocks_get_missing($page, $pageblocks);
if (!empty($missingblocks)) {
$strblocks = '<div class="title"><h2>';
$strblocks .= get_string('blocks');
@@ -968,7 +990,7 @@ function blocks_print_adminblock(&$page, &$pageblocks) {
asort($menu);
$target = $page->url_get_full(array('sesskey' => $USER->sesskey, 'blockaction' => 'add'));
$content = popup_form($target.'&amp;blockid=', $menu, 'add_block', '', $stradd .'...', '', '', true);
$content = popup_form($target.'&amp;blockid=', $menu, 'add_block', '', $stradd .'...', '', '', true);
print_side_block($strblocks, $content, NULL, NULL, NULL, array('class' => 'block_adminblock'));
}
}