svgedit
Version:
Powerful SVG-Editor for your browser
121 lines (120 loc) • 7.04 kB
JavaScript
import { dragmove } from "./dragmove/dragmove.js";
const extOverview_window = {
name: "overview_window",
init({ _$ }) {
const svgEditor = this;
const { $id, $click } = svgEditor.svgCanvas;
const overviewWindowGlobals = {};
const propsWindowHtml = '<div id="overview_window_content_pane" style="width:100%; word-wrap:break-word; display:inline-block; margin-top:20px;"><div id="overview_window_content" style="position:relative; padding-left:15px; top:0px;"><div style="background-color:#A0A0A0; display:inline-block; overflow:visible;"><svg id="overviewMiniView" width="132" height="100" x="0" y="0" viewBox="0 0 4800 3600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><use x="0" y="0" href="#svgroot"> </use></svg><div id="overview_window_view_box" style="min-width:50px; min-height:50px; position:absolute; top:30px; left:30px; z-index:5; background-color:rgba(255,0,102,0.3);"></div></div></div></div>';
$id("sidepanel_content").insertAdjacentHTML("beforeend", propsWindowHtml);
const updateViewBox = () => {
const { workarea } = svgEditor;
const portHeight = parseFloat(getComputedStyle(workarea, null).height.replace("px", ""));
const portWidth = parseFloat(getComputedStyle(workarea, null).width.replace("px", ""));
const portX = workarea.scrollLeft;
const portY = workarea.scrollTop;
const windowWidth = parseFloat(getComputedStyle($id("svgcanvas"), null).width.replace("px", ""));
const windowHeight = parseFloat(getComputedStyle($id("svgcanvas"), null).height.replace("px", ""));
const overviewWidth = parseFloat(getComputedStyle($id("overviewMiniView"), null).width.replace("px", ""));
const overviewHeight = parseFloat(getComputedStyle($id("overviewMiniView"), null).height.replace("px", ""));
const viewBoxX = portX / windowWidth * overviewWidth;
const viewBoxY = portY / windowHeight * overviewHeight;
const viewBoxWidth = portWidth / windowWidth * overviewWidth;
const viewBoxHeight = portHeight / windowHeight * overviewHeight;
$id("overview_window_view_box").style.minWidth = viewBoxWidth + "px";
$id("overview_window_view_box").style.minHeight = viewBoxHeight + "px";
$id("overview_window_view_box").style.top = viewBoxY + "px";
$id("overview_window_view_box").style.left = viewBoxX + "px";
};
$id("workarea").addEventListener("scroll", () => {
if (!overviewWindowGlobals.viewBoxDragging) {
updateViewBox();
}
});
$id("workarea").addEventListener("resize", updateViewBox);
updateViewBox();
const updateViewDimensions = function() {
const viewWidth = parseFloat(getComputedStyle($id("svgroot"), null).width.replace("px", ""));
const viewHeight = parseFloat(getComputedStyle($id("svgroot"), null).height.replace("px", ""));
const viewX = 640;
const viewY = 480;
const svgWidthOld = parseFloat(getComputedStyle($id("overviewMiniView"), null).width.replace("px", ""));
const svgHeightNew = viewHeight / viewWidth * svgWidthOld;
$id("overviewMiniView").setAttribute("viewBox", viewX + " " + viewY + " " + viewWidth + " " + viewHeight);
$id("overviewMiniView").setAttribute("height", svgHeightNew);
updateViewBox();
};
updateViewDimensions();
overviewWindowGlobals.viewBoxDragging = false;
const updateViewPortFromViewBox = function() {
const windowWidth = parseFloat(getComputedStyle($id("svgcanvas"), null).width.replace("px", ""));
const windowHeight = parseFloat(getComputedStyle($id("svgcanvas"), null).height.replace("px", ""));
const overviewWidth = parseFloat(getComputedStyle($id("overviewMiniView"), null).width.replace("px", ""));
const overviewHeight = parseFloat(getComputedStyle($id("overviewMiniView"), null).height.replace("px", ""));
const viewBoxX = parseFloat(getComputedStyle($id("overview_window_view_box"), null).getPropertyValue("left").replace("px", ""));
const viewBoxY = parseFloat(getComputedStyle($id("overview_window_view_box"), null).getPropertyValue("top").replace("px", ""));
const portX = viewBoxX / overviewWidth * windowWidth;
const portY = viewBoxY / overviewHeight * windowHeight;
$id("workarea").scrollLeft = portX;
$id("workarea").scrollTop = portY;
};
const onStart = () => {
overviewWindowGlobals.viewBoxDragging = true;
updateViewPortFromViewBox();
};
const onEnd = (el, parent, _x, _y) => {
if (el.offsetLeft + el.offsetWidth > parseFloat(getComputedStyle(parent, null).width.replace("px", ""))) {
el.style.left = parseFloat(getComputedStyle(parent, null).width.replace("px", "")) - el.offsetWidth + "px";
} else if (el.offsetLeft < 0) {
el.style.left = "0px";
}
if (el.offsetTop + el.offsetHeight > parseFloat(getComputedStyle(parent, null).height.replace("px", ""))) {
el.style.top = parseFloat(getComputedStyle(parent, null).height.replace("px", "")) - el.offsetHeight + "px";
} else if (el.offsetTop < 0) {
el.style.top = "0px";
}
overviewWindowGlobals.viewBoxDragging = false;
updateViewPortFromViewBox();
};
const onDrag = function() {
updateViewPortFromViewBox();
};
const dragElem = document.querySelector("#overview_window_view_box");
const parentElem = document.querySelector("#overviewMiniView");
dragmove(dragElem, dragElem, parentElem, onStart, onEnd, onDrag);
$click($id("overviewMiniView"), (evt) => {
const mouseX = evt.offsetX || evt.originalEvent.layerX;
const mouseY = evt.offsetY || evt.originalEvent.layerY;
const overviewWidth = parseFloat(getComputedStyle($id("overviewMiniView"), null).width.replace("px", ""));
const overviewHeight = parseFloat(getComputedStyle($id("overviewMiniView"), null).height.replace("px", ""));
const viewBoxWidth = parseFloat(getComputedStyle($id("overview_window_view_box"), null).getPropertyValue("min-width").replace("px", ""));
const viewBoxHeight = parseFloat(getComputedStyle($id("overview_window_view_box"), null).getPropertyValue("min-height").replace("px", ""));
let viewBoxX = mouseX - 0.5 * viewBoxWidth;
let viewBoxY = mouseY - 0.5 * viewBoxHeight;
if (viewBoxX < 0) {
viewBoxX = 0;
}
if (viewBoxY < 0) {
viewBoxY = 0;
}
if (viewBoxX + viewBoxWidth > overviewWidth) {
viewBoxX = overviewWidth - viewBoxWidth;
}
if (viewBoxY + viewBoxHeight > overviewHeight) {
viewBoxY = overviewHeight - viewBoxHeight;
}
$id("overview_window_view_box").style.top = viewBoxY + "px";
$id("overview_window_view_box").style.left = viewBoxX + "px";
updateViewPortFromViewBox();
});
return {
name: "overview window",
canvasUpdated: updateViewDimensions,
workareaResized: updateViewBox
};
}
};
export {
extOverview_window as default
};
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