mirror of https://github.com/sojamo/controlp5
84 lines
2.3 KiB
Plaintext
84 lines
2.3 KiB
Plaintext
/**
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* ControlP5 ScrollableList
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*
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* replaces DropdownList and and ListBox.
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* List can be scrolled by dragging the list or using the scroll-wheel.
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*
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* by Andreas Schlegel, 2014
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* www.sojamo.de/libraries/controlp5
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*
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*/
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import controlP5.*;
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import java.util.*;
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ControlP5 cp5;
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void setup() {
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size(400, 400);
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cp5 = new ControlP5(this);
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List l = Arrays.asList("a", "b", "c", "d", "e", "f", "g", "h");
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/* add a ScrollableList, by default it behaves like a DropdownList */
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cp5.addScrollableList("dropdown")
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.setPosition(100, 100)
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.setSize(200, 100)
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.setBarHeight(20)
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.setItemHeight(20)
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.addItems(l)
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// .setType(ScrollableList.LIST) // currently supported DROPDOWN and LIST
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;
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}
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void draw() {
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background(240);
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}
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void dropdown(int n) {
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/* request the selected item based on index n */
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println(n, cp5.get(ScrollableList.class, "dropdown").getItem(n));
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/* here an item is stored as a Map with the following key-value pairs:
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* name, the given name of the item
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* text, the given text of the item by default the same as name
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* value, the given value of the item, can be changed by using .getItem(n).put("value", "abc"); a value here is of type Object therefore can be anything
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* color, the given color of the item, how to change, see below
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* view, a customizable view, is of type CDrawable
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*/
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CColor c = new CColor();
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c.setBackground(color(255,0,0));
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cp5.get(ScrollableList.class, "dropdown").getItem(n).put("color", c);
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}
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void keyPressed() {
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switch(key) {
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case('1'):
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/* make the ScrollableList behave like a ListBox */
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cp5.get(ScrollableList.class, "dropdown").setType(ControlP5.LIST);
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break;
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case('2'):
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/* make the ScrollableList behave like a DropdownList */
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cp5.get(ScrollableList.class, "dropdown").setType(ControlP5.DROPDOWN);
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break;
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case('3'):
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/*change content of the ScrollableList */
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List l = Arrays.asList("a-1", "b-1", "c-1", "d-1", "e-1", "f-1", "g-1", "h-1", "i-1", "j-1", "k-1");
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cp5.get(ScrollableList.class, "dropdown").setItems(l);
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break;
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case('4'):
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/* remove an item from the ScrollableList */
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cp5.get(ScrollableList.class, "dropdown").removeItem("k-1");
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break;
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case('5'):
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/* clear the ScrollableList */
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cp5.get(ScrollableList.class, "dropdown").clear();
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break;
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}
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}
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