pixel-editor/js/_fileMenu.js

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var mainMenuItems = document.getElementById('main-menu').children;
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//for each button in main menu (starting at 1 to avoid logo)
for (var i = 1; i < mainMenuItems.length; i++) {
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//get the button that's in the list item
var menuItem = mainMenuItems[i];
var menuButton = menuItem.children[0];
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console.log(mainMenuItems);
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//when you click a main menu items button
on('click', menuButton, function (e, button) {
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console.log('parent ', button.parentElement);
select(button.parentElement);
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});
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var subMenu = menuItem.children[1];
var subMenuItems = subMenu.children;
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//when you click an item within a menu button
for (var j = 0; j < subMenuItems.length; j++) {
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var subMenuItem = subMenuItems[j];
var subMenuButton = subMenuItem.children[0];
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subMenuButton.addEventListener('click', function (e) {
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switch(this.textContent) {
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//File Menu
case 'New':
showDialogue('new-pixel');
break;
case 'Save project':
//create name
var selectedPalette = getText('palette-button');
if (selectedPalette != 'Choose a palette...'){
var paletteAbbreviation = palettes[selectedPalette].abbreviation;
var fileName = 'pixel-'+paletteAbbreviation+'-'+canvasSize[0]+'x'+canvasSize[1]+'.lpe';
} else {
var fileName = 'pixel-'+canvasSize[0]+'x'+canvasSize[1]+'.lpe';
selectedPalette = 'none';
}
//set download link
var linkHolder = document.getElementById('save-project-link-holder');
// create file content
var content = getProjectData();
linkHolder.href = 'data:text/plain;charset=utf-8,' + encodeURIComponent(content);
linkHolder.download = fileName;
linkHolder.click();
ga('send', 'event', 'Pixel Editor Save', selectedPalette, canvasSize[0]+'/'+canvasSize[1]); /*global ga*/
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break;
case 'Open':
//if a document exists
if (documentCreated) {
//check if the user wants to overwrite
if (confirm('Opening a pixel will discard your current one. Are you sure you want to do that?'))
//open file selection dialog
document.getElementById('open-image-browse-holder').click();
}
else
//open file selection dialog
document.getElementById('open-image-browse-holder').click();
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break;
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case 'Export':
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if (documentCreated) {
//create name
var selectedPalette = getText('palette-button');
if (selectedPalette != 'Choose a palette...'){
var paletteAbbreviation = palettes[selectedPalette].abbreviation;
var fileName = 'pixel-'+paletteAbbreviation+'-'+canvasSize[0]+'x'+canvasSize[1]+'.png';
} else {
var fileName = 'pixel-'+canvasSize[0]+'x'+canvasSize[1]+'.png';
selectedPalette = 'none';
}
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//set download link
var linkHolder = document.getElementById('save-image-link-holder');
// Creating a tmp canvas to flatten everything
var exportCanvas = document.createElement("canvas");
var emptyCanvas = document.createElement("canvas");
var layersCopy = layers.slice();
exportCanvas.width = canvasSize[0];
exportCanvas.height = canvasSize[1];
emptyCanvas.width = canvasSize[0];
emptyCanvas.height = canvasSize[1];
// Sorting the layers by z index
layersCopy.sort((a, b) => (a.canvas.style.zIndex > b.canvas.style.zIndex) ? 1 : -1);
// Merging every layer on the export canvas
for (let i=0; i<layersCopy.length; i++) {
if (layersCopy[i].menuEntry != null && layersCopy[i].isVisible) {
mergeLayers(exportCanvas.getContext('2d'), layersCopy[i].context);
}
// I'm not going to find out why the layer ordering screws up if you don't copy
// a blank canvas when layers[i] is not set as visible, but if you have time to
// spend, feel free to investigate (comment the else, create 3 layers: hide the
// middle one and export, the other 2 will be swapped in their order)
else {
mergeLayers(exportCanvas.getContext('2d'), emptyCanvas.getContext('2d'));
}
}
linkHolder.href = exportCanvas.toDataURL();
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linkHolder.download = fileName;
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linkHolder.click();
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emptyCanvas.remove();
exportCanvas.remove();
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//track google event
ga('send', 'event', 'Pixel Editor Export', selectedPalette, canvasSize[0]+'/'+canvasSize[1]); /*global ga*/
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}
break;
case 'Exit':
console.log('exit');
//if a document exists, make sure they want to delete it
if (documentCreated) {
//ask user if they want to leave
if (confirm('Exiting will discard your current pixel. Are you sure you want to do that?'))
//skip onbeforeunload prompt
window.onbeforeunload = null;
else
e.preventDefault();
}
break;
//Edit Menu
case 'Undo':
undo();
break;
case 'Redo':
redo();
break;
//Palette Menu
case 'Add color':
addColor('#eeeeee');
break;
// SELECTION MENU
case 'Paste':
pasteSelection();
break;
case 'Copy':
copySelection();
tool.pencil.switchTo();
break;
case 'Cut':
cutSelectionTool();
tool.pencil.switchTo();
break;
case 'Cancel':
tool.pencil.switchTo();
break;
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//Help Menu
case 'Settings':
//fill form with current settings values
setValue('setting-numberOfHistoryStates', settings.numberOfHistoryStates);
showDialogue('settings');
break;
//Help Menu
case 'Help':
showDialogue('help');
break;
case 'About':
showDialogue('about');
break;
case 'Changelog':
showDialogue('changelog');
break;
}
closeMenu();
});
}
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}
function closeMenu () {
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//remove .selected class from all menu buttons
for (var i = 0; i < mainMenuItems.length; i++) {
deselect(mainMenuItems[i]);
}
}
function getProjectData() {
// use a dictionary
let dictionary = {};
// sorting layers by increasing z-index
let layersCopy = layers.slice();
layersCopy.sort((a, b) => (a.canvas.style.zIndex > b.canvas.style.zIndex) ? 1 : -1);
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// save canvas size
dictionary['canvasWidth'] = currentLayer.canvasSize[0];
dictionary['canvasHeight'] = currentLayer.canvasSize[1];
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// save editor mode
dictionary['editorMode'] = pixelEditorMode;
// save palette
for (let i=0; i<currentPalette.length; i++) {
dictionary["color" + i] = currentPalette[i];
}
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// save number of layers
dictionary["nLayers"] = layersCopy.length;
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// save layers
for (let i=0; i<layersCopy.length; i++) {
// Only saving the layers the user has access to (no vfx, tmp or checkerboard layers)
if (layersCopy[i].menuEntry != null) {
dictionary["layer" + i] = layersCopy[i];
dictionary["layer" + i + "ImageData"] = layersCopy[i].canvas.toDataURL();
}
}
return JSON.stringify(dictionary);
}