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desuto-platform/desuto-viewer/Desuto-webviewer/public/js/svg-edit/extensions/ext-helloworld.js
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ext-helloworld.js
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/*globals svgEditor, svgCanvas, $*/
/*jslint vars: true, eqeq: true*/
/*
* ext-helloworld.js
*
* Licensed under the MIT License
*
* Copyright(c) 2010 Alexis Deveria
*
*/
/*
This is a very basic SVG-Edit extension. It adds a "Hello World" button in
the left panel. Clicking on the button, and then the canvas will show the
user the point on the canvas that was clicked on.
*/
svgEditor.addExtension("Hello World", function() {'use strict';
return {
name: "Hello World",
// For more notes on how to make an icon file, see the source of
// the helloworld-icon.xml
svgicons: svgEditor.curConfig.extPath + "helloworld-icon.xml",
// Multiple buttons can be added in this array
buttons: [{
// Must match the icon ID in helloworld-icon.xml
id: "hello_world",
// This indicates that the button will be added to the "mode"
// button panel on the left side
type: "mode",
// Tooltip text
title: "Say 'Hello World'",
// Events
events: {
'click': function() {
// The action taken when the button is clicked on.
// For "mode" buttons, any other button will
// automatically be de-pressed.
svgCanvas.setMode("hello_world");
}
}
}],
// This is triggered when the main mouse button is pressed down
// on the editor canvas (not the tool panels)
mouseDown: function() {
// Check the mode on mousedown
if(svgCanvas.getMode() == "hello_world") {
// The returned object must include "started" with
// a value of true in order for mouseUp to be triggered
return {started: true};
}
},
// This is triggered from anywhere, but "started" must have been set
// to true (see above). Note that "opts" is an object with event info
mouseUp: function(opts) {
// Check the mode on mouseup
if(svgCanvas.getMode() == "hello_world") {
var zoom = svgCanvas.getZoom();
// Get the actual coordinate by dividing by the zoom value
var x = opts.mouse_x / zoom;
var y = opts.mouse_y / zoom;
var text = "Hello World!\n\nYou clicked here: "
+ x + ", " + y;
// Show the text using the custom alert function
$.alert(text);
}
}
};
});
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