PandaLib/pandalib-chat/src/main/java/fr/pandacube/lib/chat/ChatTreeNode.java

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Java
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package fr.pandacube.lib.chat;
import java.util.ArrayList;
import java.util.List;
/**
* A tree structure of {@link Chat} component intended to be rendered in chat using {@link #render(boolean)}.
*/
public class ChatTreeNode {
private static final String TREE_MIDDLE_CONNECTED = "";
private static final String TREE_END_CONNECTED = "";
private static final String TREE_MIDDLE_OPEN = "│§0`§r";
private static final String TREE_END_OPEN = "§0```§r";
private static final String TREE_MIDDLE_OPEN_CONSOLE = "";
private static final String TREE_END_OPEN_CONSOLE = " "; // nbsp
/**
* The component for the current node.
*/
public final Chat component;
/**
* Children nodes.
*/
public final List<ChatTreeNode> children = new ArrayList<>();
/**
* Construct a new {@link ChatTreeNode}.
* @param cmp the component for the current node.
*/
public ChatTreeNode(Chat cmp) {
component = cmp;
}
/**
* Adds a child to the current node.
* @param child the child to add.
* @return this.
*/
public ChatTreeNode addChild(ChatTreeNode child) {
children.add(child);
return this;
}
/**
* Generate a tree view based on this tree structure.
* <p>
* Each element in the returned list represent 1 line of this tree view.
* Thus, the caller may send each line separately or at once, depending on the quantity of data.
* @param console true to render for console, false otherwise.
* @return an array of component, each element being a single line.
*/
public List<Chat> render(boolean console) {
List<Chat> ret = new ArrayList<>();
ret.add(ChatStatic.chat()
.then(component));
for (int i = 0; i < children.size(); i++) {
List<Chat> childComponents = children.get(i).render(console);
boolean last = i == children.size() - 1;
for (int j = 0; j < childComponents.size(); j++) {
String prefix = last ? (j == 0 ? TREE_END_CONNECTED : (console ? TREE_END_OPEN_CONSOLE : TREE_END_OPEN))
: (j == 0 ? TREE_MIDDLE_CONNECTED : (console ? TREE_MIDDLE_OPEN_CONSOLE : TREE_MIDDLE_OPEN));
ret.add(ChatStatic.text(prefix)
.then(childComponents.get(j)));
}
}
return ret;
}
}