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extension.js
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extension.js
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const vscode = require('vscode');
const path = require('path');
const fs = require('fs');
const XMLHttpRequest = require('xhr2');
/**
* @param {vscode.ExtensionContext} ctx
*/
function activate(ctx) {
let panel = undefined;
const modules_path = path.join(ctx.extensionPath, 'node_modules');
const three_cad_viewer_path = path.join(modules_path, 'three-cad-viewer', 'dist');
const static_path = path.join(ctx.extensionPath, 'static');
const stubs_path = path.join(ctx.extensionPath, 'stubs');
const viewer_options = {
theme: 'browser',
glass: true,
control: 'trackball'
}
vscode.commands.executeCommand('setContext', 'cadquery.enabled', true);
vscode.workspace.getConfiguration().update('python.analysis.extraPaths', [ stubs_path ], false);
function init() {
if (panel) {
panel.reveal(vscode.ViewColumn.Two);
} else {
panel = vscode.window.createWebviewPanel(
'cadQuery', 'CadQuery view', vscode.ViewColumn.Two, {
enableScripts: true,
localResourceRoots: [
vscode.Uri.file(three_cad_viewer_path),
vscode.Uri.file(static_path)
]
}
);
const cq_viewer_path = path.join(static_path, 'cq-viewer.html');
html = fs.readFileSync(vscode.Uri.file(cq_viewer_path).fsPath).toString();
const css_path = path.join(three_cad_viewer_path, 'three-cad-viewer.esm.min.css');
html = html.replace('{{cq-view-css}}', getResourceUri(panel.webview, css_path));
const js_path = path.join(three_cad_viewer_path, 'three-cad-viewer.esm.min.js');
html = html.replace('{{cq-view-js}}', getResourceUri(panel.webview, js_path));
panel.webview.html = html;
vscode.commands.executeCommand('cadquery.render');
panel.webview.onDidReceiveMessage(
message => {
if (message.status == 'dom_loaded') {
render();
}
},
undefined,
ctx.subscriptions
);
panel.onDidDispose(() => {
panel = undefined;
deactivate();
}, null, ctx.subscriptions);
}
}
function render() {
const editor = vscode.window.activeTextEditor;
if (editor) {
get_model(editor.document.getText(),
(model) => {
panel.webview.postMessage({
command: 'render',
model: model,
options: viewer_options
});
},
(error_code) => {
if (error_code == 0) {
vscode.window.showErrorMessage(`Can not connect to CadQuery server. Is it started?`);
} else {
vscode.window.showErrorMessage(`CadQuery server returned response code ${xhr.status}.`);
}
}
);
}
}
ctx.subscriptions.push(vscode.commands.registerCommand('cadquery.init', init));
ctx.subscriptions.push(vscode.commands.registerCommand('cadquery.render', render));
vscode.workspace.onDidSaveTextDocument(() => {
vscode.commands.executeCommand('cadquery.render');
});
}
function get_model(cq_script, on_success, on_error) {
const config = vscode.workspace.getConfiguration('cadquery');
const cq_server_url = config.get('cadqueryServerUrl');
var xhr = new XMLHttpRequest();
xhr.open("POST", cq_server_url, true);
xhr.setRequestHeader('Content-Type', 'text/plain');
xhr.send(cq_script);
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
if (xhr.status == 200) {
on_success(JSON.parse(xhr.responseText));
} else {
on_error(xhr.status);
}
}
}
}
function getResourceUri(webview, resouce_path) {
return webview.asWebviewUri(vscode.Uri.file(resouce_path)).toString();
}
function deactivate() {
vscode.commands.executeCommand('setContext', 'cadquery.enabled', false);
}
module.exports = {
activate,
deactivate
}