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txt2img.php
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<?php
/*
Plugin Name: txt2img (山寨长微博)
Plugin URI: https://github.com/myst729/txt2img
Description: Convert WordPress post/page into image and share on <a href="http://weibo.com/">Weibo</a>. 把 WordPress 文章转发成新浪长微博。
Version: 1.2.1
Author: Leo Deng (@米粽粽)
Author URI: http://myst729.github.io/
License: GPLv2 or later
*/
function txt2img_init() {
load_plugin_textdomain('t2i', false, dirname(plugin_basename(__FILE__)) . '/lang/');
}
add_action('plugins_loaded', 'txt2img_init');
function txt2img_custom_box() { ?>
<p id="txt2img_buttons">
<a href="#" id="txt2img_generate" class="button-secondary"><?php _e('Generate Image', 't2i'); ?></a>
<img id="txt2img_spinning" src="<?php echo plugin_dir_url(__FILE__); ?>wpspin.gif" alt="<?php _e('Generating...', 't2i'); ?>">
<a href="#" id="txt2img_share"><?php _e('Share Weibo', 't2i'); ?></a>
</p>
<p>
<a href="#" id="txt2img_preview" target="_blank"><?php _e('Preview Image', 't2i'); ?></a>
</p>
<?php }
function txt2img_add_custom_box() {
global $post;
if($post->post_status == 'publish') {
add_meta_box('txt2img', __('Share Article Image to Weibo', 't2i'), 'txt2img_custom_box', 'post', 'side', 'high');
add_meta_box('txt2img', __('Share Article Image to Weibo', 't2i'), 'txt2img_custom_box', 'page', 'side', 'high');
}
}
add_action('adminmenu', 'txt2img_add_custom_box');
function txt2img_style() {
if(basename($_SERVER['SCRIPT_NAME']) == 'post.php') { ?>
<style type="text/css">
@font-face {
font-family: 'Droid Sans Fallback';
src: local('Droid Sans Fallback'), url('<?php echo plugin_dir_url(__FILE__); ?>droid.ttf') format('ttf');
}
#txt2img_buttons {
line-height: 24px;
overflow: hidden;
}
#txt2img_generate {
margin-right: 15px;
float: left;
display: inline-block;
}
#txt2img_spinning {
width: 16px;
height: 16px;
margin-right: 15px;
float: left;
display: none;
}
#txt2img_share {
width: 84px;
height: 24px;
background: url(<?php echo plugin_dir_url(__FILE__); ?>weibo.png) no-repeat;
color: #fff;
font-size: 12px;
line-height: 24px;
text-align: center;
text-decoration: none;
padding: 0 0 0 22px;
float: left;
display: none;
}
#txt2img_preview {
padding-left: 10px;
display: none;
}
#txt2img_generater {
display: none;
}
#txt2img_content {
width: 405px;
height: 450px;
font-family: 'Droid Sans Fallback';
font-size: 12pt;
overflow-y: scroll;
position: absolute;
left: -9000px;
top: 0;
z-index: 1000;
}
</style>
<?php }
}
add_action('admin_head', 'txt2img_style');
function txt2img_main() {
if(basename($_SERVER['SCRIPT_NAME']) == 'post.php') { ?>
<form id="txt2img_form" action="<?php echo plugin_dir_url(__FILE__) ?>txt2img_generater.php" method="post" target="txt2img_generater">
<p><input id="txt2img_pid" name="txt2img_pid" type="hidden" value="<?php global $post; echo $post->ID; ?>"></p>
<p><textarea id="txt2img_content" name="txt2img_content" cols="48" rows="20" wrap="hard"></textarea></p>
</form>
<iframe id="txt2img_generater" name="txt2img_generater" src=""></iframe>
<script>
(function() {
var post_title = document.getElementById('title'),
post_content = document.getElementById('content'),
txt2img_generate = document.getElementById('txt2img_generate'),
txt2img_spinning = document.getElementById('txt2img_spinning'),
txt2img_share = document.getElementById('txt2img_share'),
txt2img_preview = document.getElementById('txt2img_preview'),
txt2img_form = document.getElementById('txt2img_form'),
txt2img_content = document.getElementById('txt2img_content'),
txt2img_generater = document.getElementById('txt2img_generater'),
txt2img_url;
var listen = function(element, type, handler) {
if(element.addEventListener) {
listen = function(el, evt, fn) { el.addEventListener(evt, fn, false); };
} else if (element.attachEvent) {
listen = function(el, evt, fn) { el.attachEvent("on" + evt, fn); };
} else {
listen = function(el, evt, fn) { el["on" + evt] = fn; };
}
listen(element, type, handler);
};
var strip_tags = function(input) {
return input.replace(/^<p>|<\/p>$/g, '').replace(/<p>|<\/p>/g, "\n").replace(/^\s+|\s+$/g, '').replace(/<!--[\s\S]*?-->|<\?(?:php)?[\s\S]*?\?>/gi, '').replace(/<\/?([a-z][a-z0-9]*)\b[^>]*>/gi, function ($0, $1) {
return ''.indexOf('<' + $1.toLowerCase() + '>') > -1 ? $0 : '';
}).replace(/\n(\n)+/ig, "\n\n").replace(/\t/ig, " ").replace(/&/g, "&").replace(/"/g, '"').replace(/ /g, " ").replace(/</g, "<").replace(/>/g, ">");
};
var prepare = function(e) {
txt2img_content.value = post_title.value + "\n\n" + strip_tags(post_content.value);
txt2img_share.style.display = 'none';
txt2img_preview.style.display = 'none';
txt2img_spinning.style.display = 'inline-block';
setTimeout(function() {
txt2img_form.submit();
}, 300);
if(e && e.preventDefault) {
e.preventDefault();
} else {
window.event.returnValue = false;
}
};
var render = function() {
txt2img_url = txt2img_generater.contentWindow.document.body.innerHTML;
if(txt2img_url != '') {
txt2img_spinning.style.display = 'none';
txt2img_share.style.display = 'inline-block';
txt2img_preview.style.display = 'inline-block';
txt2img_preview.href = txt2img_url;
}
};
var preview = function(e) {
var mask = document.createElement('div');
mask.style.width = document.documentElement.clientWidth + 'px';
mask.style.height = document.documentElement.clientHeight + 'px';
mask.style.background = '#000';
mask.style.opacity = '0.7';
mask.style.filter = 'alpha(opacity=70)';
mask.style.position = 'fixed';
mask.style.zIndex = '999990';
mask.style.top = '0px';
mask.style.left = '0px';
var frame = document.createElement('div');
frame.style.width = '500px';
frame.style.height = (document.documentElement.clientHeight - 240) + 'px';
frame.style.overflowY = 'scroll';
frame.style.background = '#f3f3f3 url(<?php echo plugin_dir_url(__FILE__); ?>wpspin.gif) center center no-repeat';
frame.style.position = 'fixed';
frame.style.zIndex = '999996';
frame.style.top = '120px';
frame.style.left = (document.documentElement.clientWidth/2 - 250) + 'px';
frame.innerHTML = '<img style="display:block;margin:25px auto" src="' + txt2img_preview.href + '" alt="<?php _e('Preview Weibo Image', 't2i'); ?>" />';
var close = document.createElement('img');
close.style.width = '30px';
close.style.height = '30px';
close.style.cursor = 'pointer';
close.style.position = 'fixed';
close.style.zIndex = '999999';
close.style.top = '105px';
close.style.left = (document.documentElement.clientWidth/2 - 265) + 'px';
close.src = '<?php echo plugin_dir_url(__FILE__); ?>close.png';
document.body.appendChild(mask);
document.body.appendChild(frame);
document.body.appendChild(close);
listen(close, 'click', function() {
document.body.removeChild(mask);
document.body.removeChild(frame);
document.body.removeChild(close);
});
if(e && e.preventDefault) {
e.preventDefault();
} else {
window.event.returnValue = false;
}
return false;
};
var share = function(e) {
var post_url = document.getElementById('view-post-btn').getElementsByTagName('a')[0].href;
window.open("http://service.weibo.com/share/share.php?url=" + post_url + "&appkey=&title=" + post_title.value + "%20（山寨长微博%20by%20@米粽粽）&pic=" + txt2img_url + "&ralateUid=&language=zh_cn", "txt2img", "width=615,height=505");
if(e && e.preventDefault) {
e.preventDefault();
} else {
window.event.returnValue = false;
}
};
listen(txt2img_generate, 'click', prepare);
listen(txt2img_generater, 'load', render);
listen(txt2img_preview, 'click', preview);
listen(txt2img_share, 'click', share);
})();
</script>
<?php }
}
add_action('admin_footer', 'txt2img_main');
?>