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Expose sidebar width as CSS custom property and enable global resize #1

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Expose sidebar width as CSS custom property and enable global resize #1

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41 changes: 41 additions & 0 deletions js/sidebar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,47 @@ var HordeSidebar = {
onDomLoad: function()
{
this.refreshEvents();

var s = $('horde-sidebar');
if (s) {
var saved = localStorage.getItem('horde_sidebar_width');
var w = saved
? parseInt(saved)
: (s.offsetWidth || parseInt(s.style.width) || 250);
document.documentElement.style.setProperty('--horde-sidebar-width', w + 'px');
Comment on lines +62 to +66
}

/* Drag-resize sidebar globale */
var handle = document.getElementById('horde-slideleftcursor');
if (!handle) return;

handle.addEventListener('mousedown', function(e) {
e.preventDefault();
var root = document.documentElement;
var cs = getComputedStyle(root);
var startX = e.clientX;
var startW = parseInt(cs.getPropertyValue('--horde-sidebar-width')) || 250;
var getMin = function() { return parseInt(cs.getPropertyValue('--horde-sidebar-min-width')) || 250; };
var getMax = function() { return parseInt(cs.getPropertyValue('--horde-sidebar-max-width')) || 500; };

document.body.style.cursor = 'col-resize';
document.body.style.userSelect = 'none';

function onMove(e) {
var newW = Math.min(Math.max(startW + (e.clientX - startX), getMin()), getMax());
root.style.setProperty('--horde-sidebar-width', newW + 'px');
}
function onUp() {
document.body.style.cursor = '';
document.body.style.userSelect = '';
localStorage.setItem('horde_sidebar_width',
parseInt(getComputedStyle(root).getPropertyValue('--horde-sidebar-width')));
document.removeEventListener('mousemove', onMove);
document.removeEventListener('mouseup', onUp);
}
document.addEventListener('mousemove', onMove);
document.addEventListener('mouseup', onUp);
});
}
};

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