Elements multiple selection

[vshakitskiy]

Feature to select more than one element. This will be very useful, since it's actually happens very often, when we want to change 3 elements at the same time.

[vshakitskiy]

@QuiiBz Have some progress with this feature.

I'm thinking about inputs on the right panel. My solution to different colors and texts is just to display inputs of every element. Or we can just show unique color and text inputs and the values will be changing in every selected element that have the same color/text. What do you think about this?

[QuiiBz]

I think we should just show the value if it's the same, and "Mixed" / an empty one if they are different. Duplicating inputs will make it harder to understand what's going on.

Looking forward to your PR!

[vshakitskiy]

Now if we select two text with different color, we will see just blank color. Also, I think we need to place textarea for content if there is only one selected text.

[QuiiBz]

Yup that's what I was thinking too. Amazing!