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merged image zoom

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seinoxygen 2010-08-06 20:24:31 -03:00 committed by Shish
parent 0d73aa7692
commit 115d992ff0
6 changed files with 46 additions and 79 deletions
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21
contrib/zoom/main.php
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@ -1,21 +0,0 @@
<?php
/*
* Name: Image Zoom
* Author: Shish <webmaster@shishnet.org>
* License: GPLv2
* Description: Scales down too-large images using browser based scaling
*/
class Zoom extends SimpleExtension {
public function onDisplayingImage($event) {
global $config, $page;
$this->theme->display_zoomer($page, $event->image, $config->get_bool("image_zoom", false));
}
public function onSetupBuilding($event) {
$sb = new SetupBlock("Image Zoom");
$sb->add_bool_option("image_zoom", "Zoom by default: ");
$event->panel->add_block($sb);
}
}
?>

11
contrib/zoom/test.php
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@ -1,11 +0,0 @@
<?php
class ZoomTest extends ShimmieWebTestCase {
function testZoom() {
$this->log_in_as_admin();
$image_id = $this->post_image("ext/simpletest/data/pbx_screenshot.jpg", "pbx computer screenshot");
$this->get("post/view/$image_id"); # just check that the page isn't borked
$this->delete_image($image_id);
$this->log_out();
}
}
?>

46
contrib/zoom/theme.php
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@ -1,46 +0,0 @@
<?php
class ZoomTheme extends Themelet {
public function display_zoomer(Page $page, Image $image, $zoom_by_default) {
$page->add_block(new Block(null, $this->make_zoomer($image->width, $zoom_by_default)));
}
protected function make_zoomer($image_width, $zoom_by_default) {
global $config;
$default = $zoom_by_default ? "scale(img);" : "";
return <<<EOD
<!-- cancel border -->
<script type="text/javascript">
img = document.getElementById("main_image");
if(img) {
img.onclick = function() {scale(img);};
msg_div = document.createElement("div");
msg_div.id = "msg_div";
msg_div.appendChild(document.createTextNode("Note: Image has been scaled to fit the screen; click to enlarge"));
msg_div.style.display="none";
img.parentNode.insertBefore(msg_div, img);
orig_width = $image_width;
$default
}
function scale(img) {
if(orig_width >= img.parentNode.clientWidth * 0.9) {
if(img.style.width != "90%") {
img.style.width = "90%";
msg_div.style.display = "block";
}
else {
img.style.width = orig_width + 'px';
msg_div.style.display = "none";
}
}
}
</script>
EOD;
}
}
?>

6
core/extension.class.php
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@ -152,8 +152,14 @@ abstract class DataHandlerExtension implements Extension {
global $page;
$this->theme->display_image($page, $event->image);
}
if(($event instanceof SetupBuildingEvent)) {
$sb = $this->setup();
if($sb) $event->panel->add_block($sb);
}
}
protected function setup() {}
abstract protected function supported_ext($ext);
abstract protected function check_contents($tmpname);
abstract protected function create_image_from_data($filename, $metadata);

6
ext/handle_pixel/main.php
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@ -6,6 +6,12 @@
*/
class PixelFileHandler extends DataHandlerExtension {
public function setup() {
$sb = new SetupBlock("Image Zoom");
$sb->add_bool_option("image_zoom", "Zoom by default: ");
return $sb;
}
protected function supported_ext($ext) {
$exts = array("jpg", "jpeg", "gif", "png");
return in_array(strtolower($ext), $exts);

35
ext/handle_pixel/theme.php
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@ -23,7 +23,40 @@ class PixelFileHandlerTheme extends Themelet {
}
}
}
$page->add_block(new Block("Image", $html, "main", 0));
$zoom_default = $config->get_bool("image_zoom", false) ? "scale(img);" : "";
$zoom = "<script type=\"text/javascript\">
img = document.getElementById(\"main_image\");
if(img) {
img.onclick = function() {scale(img);};
msg_div = document.createElement(\"div\");
msg_div.id = \"msg_div\";
msg_div.appendChild(document.createTextNode(\"Note: Image has been scaled to fit the screen; click to enlarge\"));
msg_div.style.display=\"none\";
img.parentNode.insertBefore(msg_div, img);
orig_width = $image->width;
$zoom_default
}
function scale(img) {
if(orig_width >= img.parentNode.clientWidth * 0.9) {
if(img.style.width != \"90%\") {
img.style.width = \"90%\";
msg_div.style.display = \"block\";
}
else {
img.style.width = orig_width + 'px';
msg_div.style.display = \"none\";
}
}
}
</script>";
$page->add_block(new Block("Image", $html.$zoom, "main", 0));
}
}
?>