Add dicore3-command

1 files changed, 76 insertions, 0 deletions

diff --git a/dicore3/command/src/main/java/io/dico/dicore/command/chat/help/PageBorders.java b/dicore3/command/src/main/java/io/dico/dicore/command/chat/help/PageBorders.java
new file mode 100644
index 0000000..43c0514
--- /dev/null
+++ b/dicore3/command/src/main/java/io/dico/dicore/command/chat/help/PageBorders.java
@@ -0,0 +1,76 @@
+package io.dico.dicore.command.chat.help;
+
+import java.util.Arrays;
+
+public class PageBorders {
+    private final IPageBorder header, footer;
+
+    public PageBorders(IPageBorder header, IPageBorder footer) {
+        this.header = header;
+        this.footer = footer;
+    }
+
+    public IPageBorder getHeader() {
+        return header;
+    }
+
+    public IPageBorder getFooter() {
+        return footer;
+    }
+
+    public static IPageBorder simpleBorder(String... lines) {
+        return new SimplePageBorder(lines);
+    }
+
+    public static IPageBorder disappearingBorder(int pageNum, String... lines) {
+        return disappearingBorder(pageNum, 0, lines);
+    }
+
+    public static IPageBorder disappearingBorder(int pageNum, int keptLines, String... lines) {
+        return new DisappearingPageBorder(pageNum, keptLines, lines);
+    }
+
+    static class SimplePageBorder extends SimpleHelpComponent implements IPageBorder {
+        private final String replacedSequence;
+
+        public SimplePageBorder(String replacedSequence, String... lines) {
+            super(lines);
+            this.replacedSequence = replacedSequence;
+        }
+
+        public SimplePageBorder(String... lines) {
+            super(lines);
+            this.replacedSequence = "%pageCount%";
+        }
+
+        @Override
+        public void setPageCount(int pageCount) {
+            String[] lines = this.lines;
+            for (int i = 0; i < lines.length; i++) {
+                lines[i] = lines[i].replace(replacedSequence, Integer.toString(pageCount));
+            }
+        }
+
+    }
+
+    static class DisappearingPageBorder extends SimpleHelpComponent implements IPageBorder {
+        private final int pageNum;
+        private final int keptLines;
+
+        public DisappearingPageBorder(int pageNum, int keptLines, String... lines) {
+            super(lines);
+            this.pageNum = pageNum;
+            this.keptLines = keptLines;
+        }
+
+        @Override
+        public void setPageCount(int pageCount) {
+            if (pageCount == pageNum) {
+                String[] lines = this.lines;
+                this.lines = Arrays.copyOfRange(lines, Math.max(0, lines.length - keptLines), lines.length);
+            }
+        }
+
+    }
+
+}