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