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closes #1716, #1717

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This commit is contained in:
barisusakli
2014-06-20 19:18:13 -04:00
parent c41bb05711
commit 6303ac4a90
2 changed files with 41 additions and 10 deletions
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8
public/src/modules/composer.js
View File

@@ -263,8 +263,14 @@ define('composer', dependencies, function(taskbar, controls, uploads, formatting
preview.render(postContainer);
});
bodyEl.on('scroll', function() {
preview.matchScroll(postContainer);
})
bodyEl.val(draft ? draft : postData.body);
preview.render(postContainer);
preview.render(postContainer, function() {
preview.matchScroll(postContainer);
});
drafts.init(postContainer, postData);
handleResize(postContainer);

27
public/src/modules/composer/preview.js
View File

@@ -5,17 +5,42 @@
define('composer/preview', function() {
var preview = {};
preview.render = function(postContainer) {
var timeoutId = 0;
preview.render = function(postContainer, callback) {
callback = callback || function() {};
if (timeoutId) {
clearTimeout(timeoutId);
timeoutId = 0;
}
var textarea = postContainer.find('textarea');
timeoutId = setTimeout(function() {
socket.emit('modules.composer.renderPreview', textarea.val(), function(err, preview) {
timeoutId = 0;
if (err) {
return;
}
preview = $(preview);
preview.find('img').addClass('img-responsive');
postContainer.find('.preview').html(preview);
callback();
});
}, 250);
};
preview.matchScroll = function(postContainer) {
var textarea = postContainer.find('textarea');
var preview = postContainer.find('.preview');
var diff = textarea[0].scrollHeight - textarea.height();
if (diff === 0) {
return;
}
var scrollPercent = textarea.scrollTop() / diff;
preview.scrollTop(Math.max(preview[0].scrollHeight - preview.height(), 0) * scrollPercent);
};
return preview;