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<!DOCTYPE html>
<head>
<meta charset="utf-8" />
<title>Test for the pane-splitter custom element</title>
<style>
html,
body {
margin: 0;
overflow: hidden;
}
/* Contrast colours to make the splitter more obvious for debugging. */
hr[is="pane-splitter"] {
border-color: #fc3 !important;
background-color: #f006 !important;
}
#horizontal-before {
display: grid;
grid-template-columns: minmax(auto, var(--splitter1-width)) 0 auto;
width: 500px;
height: 100px;
--splitter1-width: 200px;
position: absolute;
top: 0;
left: 0;
}
#horizontal-after {
display: grid;
grid-template-columns: auto 0 minmax(auto, var(--splitter2-width));
width: 500px;
height: 100px;
--splitter2-width: 200px;
position: absolute;
top: 110px;
left: 0;
}
#vertical-before {
display: inline-grid;
grid-template-rows: minmax(auto, var(--splitter3-height)) 0 auto;
width: 100px;
height: 500px;
--splitter3-height: 200px;
}
#vertical-after {
display: inline-grid;
grid-template-rows: auto 0 minmax(auto, var(--splitter4-height));
width: 100px;
height: 500px;
--splitter4-height: 200px;
}
#vertical-splitters {
display: flex;
position: absolute;
top: 0;
left: 510px;
gap: 10px;
}
.resized,
.fill2 {
background-color: lightblue;
}
.fill {
background-color: lightslategrey;
}
#window-resize-splitter-vertical {
display: grid;
--splitter6-height: 400px;
grid-template-rows: auto min-content minmax(auto, var(--splitter6-height));
height: 80vh;
width: 100px;
position: absolute;
top: 0;
right: 0;
pointer-events: none;
}
#window-resize-splitter {
display: grid;
--splitter5-width: 200px;
--splitter5-2-width: 200px;
grid-template-columns: minmax(auto, var(--splitter5-width)) min-content minmax(auto, 1fr) min-content minmax(auto, var(--splitter5-2-width));
width: 90vw;
height: 100px;
position: absolute;
bottom: 0px;
left: 0;
pointer-events: none;
}
#resizeSplitter-before {
min-width: 120px;
}
#resizeSplitter-after {
min-width: 160px;
}
#resizeSplitter-vertical-before {
min-height: 120px;
}
/* Show the position of the last mouse event, for debugging. */
#markerX {
position: absolute;
top: 510px;
border-left: 1px red solid;
}
#markerY {
position: absolute;
left: 730px;
border-top: 1px red solid;
}
</style>
<script>
// Show the position of the last mouse event, for debugging.
function moveMarker(event) {
const markerX = document.getElementById("markerX");
markerX.style.left = `${event.clientX + window.scrollX}px`;
markerX.textContent = `${event.type} event here`;
const markerY = document.getElementById("markerY");
markerY.style.top = `${event.clientY + window.scrollY}px`;
markerY.textContent = `${event.type} event here`;
}
document.addEventListener("mousedown", moveMarker);
document.addEventListener("mousemove", moveMarker);
document.addEventListener("mouseup", moveMarker);
window.addEventListener("load", () => {
for (const splitter of document.querySelectorAll('hr[is="pane-splitter"]')) {
if (splitter.hasAttribute("resize-id")) {
splitter.resizeElement;
continue;
}
const element = splitter.parentNode.querySelector(".resized");
if (element) {
splitter.resizeElement = element;
}
}
});
</script>
</head>
<body>
<div id="horizontal-before">
<div id="splitter1-before" class="resized"></div>
<hr is="pane-splitter" id="splitter1" resize-direction="horizontal" />
<div id="splitter1-after" class="fill"></div>
</div>
<div id="horizontal-after">
<div id="splitter2-before" class="fill"></div>
<hr is="pane-splitter" id="splitter2" resize="next" resize-direction="horizontal" />
<div id="splitter2-after" class="resized"></div>
</div>
<div id="vertical-splitters">
<div id="vertical-before">
<div id="splitter3-before" class="resized"></div>
<hr is="pane-splitter" id="splitter3" />
<div id="splitter3-after" class="fill"></div>
</div>
<div id="vertical-after">
<div id="splitter4-before" class="fill"></div>
<hr is="pane-splitter" id="splitter4" resize="next" />
<div id="splitter4-after" class="resized"></div>
</div>
</div>
<div id="window-resize-splitter">
<div id="resizeSplitter-before" class="fill2"></div>
<hr
is="pane-splitter"
id="splitter5"
resize-id="resizeSplitter-before"
resize-direction="horizontal"/>
<div id="resizeSplitter-after" class="fill"></div>
<hr
is="pane-splitter"
id="splitter5-2"
resize-id="resizeSplitter-after2"
resize-direction="horizontal"
resize-lock-ids="resizeSplitter-after,resizeSplitter-before"
resize-with-window="true"/>
<div id="resizeSplitter-after2" class="fill2"></div>
</div>
<div id="window-resize-splitter-vertical">
<div id="resizeSplitter-vertical-before" class="fill"></div>
<hr
is="pane-splitter"
id="splitter6"
resize-id="resizeSplitter-vertical-after"
resize-direction="vertical"
resize-lock-ids="resizeSplitter-vertical-before"
resize-with-window="true"/>
<div id="resizeSplitter-vertical-after" class="fill2"></div>
</div>
<div id="self-resize-splitter">
<hr
is="pane-splitter"
id="splitter7"
resize-id="self-resize-splitter"
resize-direction="horizontal"/>
</div>
<div id="markerX"></div>
<div id="markerY"></div>
</body>
</html>