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139 lines
4.1 KiB
JavaScript

'use strict';
/* globals define, config, utils*/
define('composer/resize', function() {
var resize = {};
var env = utils.findBootstrapEnvironment();
resize.reposition = function(postContainer) {
var percentage = localStorage.getItem('composer:resizePercentage');
if (percentage) {
if (env === 'md' || env === 'lg') {
postContainer.css('height', Math.floor($(window).height() * percentage) + 'px');
}
}
if (env === 'sm' || env === 'xs') {
postContainer.css('height', $(window).height() - $('#header-menu').height());
}
if (config.hasImageUploadPlugin) {
postContainer.find('.img-upload-btn').removeClass('hide');
postContainer.find('#files.lt-ie9').removeClass('hide');
}
if (config.allowFileUploads) {
postContainer.find('.file-upload-btn').removeClass('hide');
postContainer.find('#files.lt-ie9').removeClass('hide');
}
postContainer.css('visibility', 'visible').css('z-index', 2);
$('body').css({'margin-bottom': postContainer.css('height')});
resizeWritePreview(postContainer);
};
resize.handleResize = function(postContainer) {
function resizeStart(e) {
var resizeRect = resizeEl[0].getBoundingClientRect();
var resizeCenterY = resizeRect.top + (resizeRect.height/2);
resizeOffset = resizeCenterY - e.clientY;
resizeActive = true;
resizeDown = e.clientY;
$(window).on('mousemove', resizeAction);
$(window).on('mouseup', resizeStop);
$('body').on('touchmove', resizeTouchAction);
}
function resizeStop(e) {
resizeActive = false;
if(e.clientY-resizeDown==0){
var newHeight;
var max = $(window).height() - $('#header-menu').height() - 20;
if(max != postContainer.height()){
newHeight = max;
$('.fa-chevron-up').addClass("fa-chevron-down").removeClass("fa-chevron-up");
}else{
newHeight = 400;
$('.fa-chevron-down').addClass("fa-chevron-up").removeClass("fa-chevron-down");
}
postContainer.css('height', newHeight);
$('body').css({'margin-bottom': newHeight});
resizeWritePreview(postContainer);
resizeSavePosition(newHeight);
}
postContainer.find('textarea').focus();
$(window).off('mousemove', resizeAction);
$(window).off('mouseup', resizeStop);
$('body').off('touchmove', resizeTouchAction);
}
function resizeTouchAction(e) {
e.preventDefault();
resizeAction(e.touches[0]);
}
function resizeAction(e) {
if (resizeActive) {
var position = (e.clientY + resizeOffset);
var newHeight = $(window).height() - position;
if(newHeight > $(window).height() - $('#header-menu').height() - 20) {
newHeight = $(window).height() - $('#header-menu').height() - 20;
} else if (newHeight < 100) {
newHeight = 100;
}
postContainer.css('height', newHeight);
$('body').css({'margin-bottom': newHeight});
resizeWritePreview(postContainer);
resizeSavePosition(newHeight);
}
e.preventDefault();
return false;
}
function resizeSavePosition(px) {
var percentage = px / $(window).height();
localStorage.setItem('composer:resizePercentage', percentage);
}
var resizeActive = false,
resizeOffset = 0,
resizeDown = 0,
resizeEl = postContainer.find('.resizer');
resizeEl.on('mousedown', resizeStart);
resizeEl.on('touchstart', function(e) {
e.preventDefault();
resizeStart(e.touches[0]);
});
resizeEl.on('touchend', function(e) {
e.preventDefault();
resizeStop();
});
};
function resizeWritePreview(postContainer) {
var h1 = postContainer.find('.title').outerHeight(true);
var h2 = postContainer.find('.tags-container').outerHeight(true);
var h3 = postContainer.find('.formatting-bar').outerHeight(true);
var h4 = postContainer.find('.topic-thumb-container').outerHeight(true);
var h5 = $('.taskbar').height();
var total = h1 + h2 + h3 + h4 + h5;
postContainer.find('.write-preview-container').css('height', postContainer.height() - total);
}
return resize;
});