File size: 4,871 Bytes
46dc982 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | import { app } from "../../../scripts/app.js";
import { $el } from "../../../scripts/ui.js";
let guide_config;
const id = "pysssss.SnapToGrid.Guide";
const guide_config_default = {
lines: {
enabled: false,
fillStyle: "rgba(255, 0, 0, 0.5)",
},
block: {
enabled: false,
fillStyle: "rgba(0, 0, 255, 0.5)",
},
}
const ext = {
name: id,
init() {
if (localStorage.getItem(id) === null) {
localStorage.setItem(id, JSON.stringify(guide_config_default));
}
guide_config = JSON.parse(localStorage.getItem(id));
app.ui.settings.addSetting({
id,
name: "🐍 Display drag-and-drop guides",
type: (name, setter, value) => {
return $el("tr", [
$el("td", [
$el("label", {
for: id.replaceAll(".", "-"),
textContent: name,
}),
]),
$el("td", [
$el(
"label",
{
textContent: "Lines: ",
style: {
display: "inline-block",
},
},
[
$el("input", {
id: id.replaceAll(".", "-") + "-line-text",
type: "text",
value: guide_config.lines.fillStyle,
onchange: (event) => {
guide_config.lines.fillStyle = event.target.value;
localStorage.setItem(id, JSON.stringify(guide_config));
}
}),
$el("input", {
id: id.replaceAll(".", "-") + "-line-checkbox",
type: "checkbox",
checked: guide_config.lines.enabled,
onchange: (event) => {
guide_config.lines.enabled = !!event.target.checked;
localStorage.setItem(id, JSON.stringify(guide_config));
},
}),
]
),
$el(
"label",
{
textContent: "Block: ",
style: {
display: "inline-block",
},
},
[
$el("input", {
id: id.replaceAll(".", "-") + "-block-text",
type: "text",
value: guide_config.block.fillStyle,
onchange: (event) => {
guide_config.block.fillStyle = event.target.value;
localStorage.setItem(id, JSON.stringify(guide_config));
}
}),
$el("input", {
id: id.replaceAll(".", "-") + '-block-checkbox',
type: "checkbox",
checked: guide_config.block.enabled,
onchange: (event) => {
guide_config.block.enabled = !!event.target.checked;
localStorage.setItem(id, JSON.stringify(guide_config));
},
}),
]
),
]),
]);
}
});
const alwaysSnapToGrid = () =>
app.ui.settings.getSettingValue("pysssss.SnapToGrid", /* default=*/ false);
const snapToGridEnabled = () =>
app.shiftDown || alwaysSnapToGrid();
// Override drag-and-drop behavior to show orthogonal guide lines around selected node(s) and preview of where the node(s) will be placed
const origDrawNode = LGraphCanvas.prototype.drawNode;
LGraphCanvas.prototype.drawNode = function (node, ctx) {
const enabled = guide_config.lines.enabled || guide_config.block.enabled;
if (enabled && this.isDragging && node.id in this.selected_nodes && snapToGridEnabled()) {
// discretize the canvas into grid
let x = LiteGraph.CANVAS_GRID_SIZE * Math.round(node.pos[0] / LiteGraph.CANVAS_GRID_SIZE);
let y = LiteGraph.CANVAS_GRID_SIZE * Math.round(node.pos[1] / LiteGraph.CANVAS_GRID_SIZE);
// calculate the width and height of the node
// (also need to shift the y position of the node, depending on whether the title is visible)
x -= node.pos[0];
y -= node.pos[1];
let w, h;
if (node.flags.collapsed) {
w = node._collapsed_width;
h = LiteGraph.NODE_TITLE_HEIGHT;
y -= LiteGraph.NODE_TITLE_HEIGHT;
} else {
w = node.size[0];
h = node.size[1];
let titleMode = node.constructor.title_mode;
if (titleMode !== LiteGraph.TRANSPARENT_TITLE && titleMode !== LiteGraph.NO_TITLE) {
h += LiteGraph.NODE_TITLE_HEIGHT;
y -= LiteGraph.NODE_TITLE_HEIGHT;
}
}
// save the original fill style
const f = ctx.fillStyle;
// draw preview for drag-and-drop (rectangle to show where the node will be placed)
if (guide_config.block.enabled) {
ctx.fillStyle = guide_config.block.fillStyle;
ctx.fillRect(x, y, w, h);
}
// add guide lines around node (arbitrarily long enough to span most workflows)
if (guide_config.lines.enabled) {
const xd = 10000;
const yd = 10000;
const thickness = 3;
ctx.fillStyle = guide_config.lines.fillStyle;
ctx.fillRect(x - xd, y, 2*xd, thickness);
ctx.fillRect(x, y - yd, thickness, 2*yd);
ctx.fillRect(x - xd, y + h, 2*xd, thickness);
ctx.fillRect(x + w, y - yd, thickness, 2*yd);
}
// restore the original fill style
ctx.fillStyle = f;
}
return origDrawNode.apply(this, arguments);
};
},
};
app.registerExtension(ext);
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