Initial commit

v2-dev
William 3 years ago
commit 706a22e6a1

43
.gitignore vendored

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.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store
/.idea/

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Apache License
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# PagineDown
[![Discord](https://img.shields.io/discord/818135932103557162?color=7289da&logo=discord)](https://discord.gg/tVYhJfyDWG)
[![](https://jitpack.io/v/net.william278/PagineDown.svg)](https://jitpack.io/#net.william278/PagineDown)
PagineDown is a library for generating paginated [MineDown](https://github.com/Phoenix616/MineDown)-formatted chat menu lists.
Requires Java 11+. PagineDown is a library that is intended to be used with MineDown (not standalone) -- your project will need to shade MineDown to use it.
## Installation
PagineDown is available on JitPack. You can browse the Javadocs [here](https://javadoc.jitpack.io/net/william278/PagineDown/latest/javadoc/).
### Maven
To use the library on Maven, in your `pom.xml` file, first add the JitPack repository:
```xml
<repositories>
<repository>
<id>jitpack.io</id>
<url>https://jitpack.io</url>
</repository>
</repositories>
```
Then, add the dependency in your `<dependencies>` section. Remember to replace `Tag` with the current Annotaml version.
```xml
<dependency>
<groupId>net.william278</groupId>
<artifactId>PagineDown</artifactId>
<version>Tag</version>
<scope>compile</scope>
</dependency>
```
### Gradle & others
JitPack has a [handy guide](https://jitpack.io/#net.william278/PagineDown/#How_to) for how to use the dependency with other build platforms.
## License
Annotaml is licensed under Apache-2.0.

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plugins {
id 'java'
id 'maven-publish'
}
group 'net.william278'
version '1.0'
repositories {
mavenCentral()
maven { url 'https://repo.minebench.de/' }
}
dependencies {
compileOnly 'de.themoep:minedown:1.7.1-SNAPSHOT'
compileOnly 'org.jetbrains:annotations:23.0.0'
testImplementation 'de.themoep:minedown:1.7.1-SNAPSHOT'
testImplementation 'net.md-5:bungeecord-chat:1.16-R0.4'
testImplementation 'org.junit.jupiter:junit-jupiter-api:5.9.0'
testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.9.0'
}
compileJava.options.encoding = 'UTF-8'
tasks.withType(JavaCompile) {
options.encoding = 'UTF-8'
}
java {
withSourcesJar()
withJavadocJar()
}
publishing {
publications {
shadow(MavenPublication) { publication ->
from components.java
}
}
repositories {
mavenLocal()
}
}
test {
useJUnitPlatform()
}

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

234
gradlew vendored

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#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

89
gradlew.bat vendored

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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

@ -0,0 +1,5 @@
# This file ensures jitpack builds PagineDown with Java 11
jdk:
- 'openjdk11'
install:
- './gradlew clean publish'

@ -0,0 +1,2 @@
rootProject.name = 'PagineDown'

@ -0,0 +1,146 @@
package net.william278.paginedown;
import org.jetbrains.annotations.NotNull;
import java.awt.*;
/**
* Options, including placeholder strings, used to generate a {@link PaginatedList} of items
*/
public class ListOptions {
@NotNull
protected String headerFormat = "[Viewing %topic%](%color%) [(%first_item_on_page_index%-%last_item_on_page_index% of](%color%) [%total_items%](%color% bold)[)](%color%)";
@NotNull
protected String footerFormat = "%previous_page_button%Page [%current_page%](%color%)/[%total_pages%](%color%)%next_page_button% %page_jumpers%";
@NotNull
protected String previousButtonFormat = "[◁](white show_text=%color%View previous page \\(%previous_page_index%\\) run_command=/%command% %previous_page_index%) ";
@NotNull
protected String nextButtonFormat = " [▷](white show_text=%color%View next page \\(%next_page_index%\\) run_command=/%command% %next_page_index%)";
@NotNull
protected String pageJumpersFormat = "(%page_jump_buttons%)";
@NotNull
protected String pageJumperPageSeparator = "|";
@NotNull
protected String pageJumperGroupSeparator = "…";
@NotNull
protected String pageJumperCurrentPageFormat = "[%page%](%color%)";
@NotNull
protected String pageJumperPageFormat = "[%target_page_index%](show_text=&7Jump to page %target_page_index% run_command=/%command% %target_page_index%)";
@NotNull
protected String topic = "List";
@NotNull
protected String command = "example";
@NotNull
protected Color themeColor = new Color(0x00fb9a);
protected boolean spaceAfterHeader = true;
protected boolean spaceBeforeFooter = true;
protected boolean escapeItemsMineDown = true;
@NotNull
protected String itemSeparator = "\n";
protected int itemsPerPage = 10;
private ListOptions() {
}
@SuppressWarnings("unused")
public static class Builder {
@NotNull
private final ListOptions options = new ListOptions();
@NotNull
public Builder setHeaderFormat(@NotNull String headerFormat) {
options.headerFormat = headerFormat;
return this;
}
@NotNull
public Builder setFooterFormat(@NotNull String footerFormat) {
options.footerFormat = footerFormat;
return this;
}
@NotNull
public Builder setItemSeparator(@NotNull String itemSeparator) {
options.itemSeparator = itemSeparator;
return this;
}
@NotNull
public Builder setThemeColor(@NotNull Color themeColor) {
options.themeColor = themeColor;
return this;
}
@NotNull
public Builder setSpaceAfterHeader(final boolean spaceAfterHeader) {
options.spaceAfterHeader = spaceAfterHeader;
return this;
}
@NotNull
public Builder setSpaceBeforeFooter(final boolean spaceBeforeFooter) {
options.spaceBeforeFooter = spaceBeforeFooter;
return this;
}
@NotNull
public Builder setItemsPerPage(final int itemsPerPage) {
options.itemsPerPage = itemsPerPage;
return this;
}
@NotNull
public Builder setTopic(@NotNull String topic) {
options.topic = topic;
return this;
}
@NotNull
public Builder setCommand(@NotNull String command) {
options.command = command;
return this;
}
@NotNull
public Builder setEscapeItemsMineDown(final boolean escapeItemsMineDown) {
options.escapeItemsMineDown = escapeItemsMineDown;
return this;
}
@NotNull
public Builder setPageJumpersFormat(@NotNull String pageJumpersFormat) {
options.pageJumpersFormat = pageJumpersFormat;
return this;
}
@NotNull
public Builder setPageJumperPageSeparator(@NotNull String pageJumperPageSeparator) {
options.pageJumperPageSeparator = pageJumperPageSeparator;
return this;
}
@NotNull
public Builder setPageJumperPageFormat(@NotNull String pageJumperPageFormat) {
options.pageJumperPageFormat = pageJumperPageFormat;
return this;
}
@NotNull
public Builder setPageJumperGroupSeparator(@NotNull String pageJumperGroupSeparator) {
options.pageJumperGroupSeparator = pageJumperGroupSeparator;
return this;
}
@NotNull
public Builder setPageJumperCurrentPageFormat(@NotNull String pageJumperCurrentPageFormat) {
options.pageJumperCurrentPageFormat = pageJumperCurrentPageFormat;
return this;
}
@NotNull
public ListOptions build() {
return options;
}
}
}

@ -0,0 +1,275 @@
package net.william278.paginedown;
import de.themoep.minedown.MineDown;
import org.jetbrains.annotations.NotNull;
import java.util.List;
import java.util.StringJoiner;
import java.util.stream.Collectors;
/**
* A class used to generate {@link MineDown} formatted chat menus of paginated list items.
* <p>
* A paginated list contains the following elements:
* <ul>
* <li>A header, by default identifying the items listed on the current page</li>
* <li>The items, separated by new lines by default</li>
* <li>A footer, by default containing page navigation buttons and quick-jump page numbers</li>
* </ul>
* You can supply {@link ListOptions} to modify the format of each element, including shortcuts for modifying a theme color.
* Once you have created a {@link PaginatedList} object using the static {@code get(items, options)},
* you can easily generate a {@link MineDown} formatted chat menu for a given page using the {@code getPage()} methods.
*
* @author William278
* @see ListOptions
*/
@SuppressWarnings("unused")
public class PaginatedList {
/**
* {@link ListOptions} to be used for generating the list
*/
@NotNull
private final ListOptions options;
/**
* A list of items to be paginated; can be MineDown formatted
*/
@NotNull
private final List<String> items;
/**
* Private constructor used by {@code #get(List, ListOptions)}
*
* @param items a list of items to be paginated
* @param options {@link ListOptions} to be used for generating list pages
*/
private PaginatedList(@NotNull List<String> items, @NotNull ListOptions options) {
this.items = items;
this.options = options;
}
/**
* Create a new {@link PaginatedList} from a {@link List} of items
*
* @param items The {@link List} of items to paginate
* @return A new {@link PaginatedList}
*/
@NotNull
public static PaginatedList of(@NotNull List<String> items) {
return new PaginatedList(items, new ListOptions.Builder().build());
}
/**
* Create a new {@link PaginatedList} from a {@link List} of items
*
* @param items The {@link List} of items to paginate
* @param options The {@link ListOptions} to use for generating list pages
* @return A new {@link PaginatedList}
*/
@NotNull
public static PaginatedList of(@NotNull List<String> items, @NotNull ListOptions options) {
return new PaginatedList(items, options);
}
/**
* Returns a {@link MineDown} formatted message to be sent to a player of the paginated list for the nearest specified page that exists
* <p>List formats and options from the {@link ListOptions} are applied to generate list pages.
* </p>{@code #getNearestValidPage()} will return the nearest valid page (i.e. values below 0 will be set to 0, values above the maximum page will be set to the maximum page)
*
* @param page The page number to get
* @return A {@link MineDown} object, for formatting the list
*/
@NotNull
public MineDown getNearestValidPage(final int page) {
return getPage(Math.max(0, Math.min(getTotalPages(), page)));
}
/**
* Returns a {@link MineDown} formatted message to be sent to a player of the paginated list for the specified page
* <p>List formats and options from the {@link ListOptions} are applied to generate the list.
*
* @param page The page number to get
* @return A {@link MineDown} object, for formatting the list
* @throws PaginationException If the page number is out of bounds
*/
public MineDown getPage(final int page) throws PaginationException {
return new MineDown(getRawPage(page));
}
/**
* Generates a raw string of pre-{@link MineDown}-formatted text that when formatted will create the page menu.
* <p>List formats and options from the {@link ListOptions} are applied to generate the list.
*
* @param page The page number to get
* @return A raw string of pre-MineDown-formatted text, representing the page menu.
* @throws PaginationException If the page number is out of bounds
*/
@NotNull
public String getRawPage(final int page) throws PaginationException {
if (page < 1) {
throw new PaginationException("Page index must be >= 1");
}
if (page > getTotalPages()) {
throw new PaginationException("Page index must be <= the total number of pages (" + getTotalPages() + ")");
}
final StringJoiner menuJoiner = new StringJoiner("\n");
if (!options.headerFormat.isBlank()) {
menuJoiner.add(formatPageString(options.headerFormat, page));
if (options.spaceAfterHeader) {
menuJoiner.add("");
}
}
if (options.escapeItemsMineDown) {
menuJoiner.add(getItemsForPage(page).stream().map(MineDown::escape)
.collect(Collectors.joining(options.itemSeparator)));
} else {
menuJoiner.add(String.join(options.itemSeparator, getItemsForPage(page)));
}
if (!options.footerFormat.isBlank()) {
if (options.spaceBeforeFooter) {
menuJoiner.add("");
}
menuJoiner.add(formatPageString(options.footerFormat, page));
}
return menuJoiner.toString();
}
/**
* Returns the total number of pages
*
* @return The total number of pages
*/
public int getTotalPages() {
return (int) Math.ceil((double) items.size() / options.itemsPerPage);
}
/**
* Returns the items to be displayed on the specified page
*
* @param page The page number to get
* @return The sub-list of items to be shown on a given page
*/
@NotNull
private List<String> getItemsForPage(final int page) {
return items.subList((page - 1) * options.itemsPerPage, Math.min(items.size(), page * options.itemsPerPage));
}
/**
* Formats a ListOption placeholder format with values
*
* @param format The format string
* @param page The page number
* @return The formatted page string
*/
@NotNull
private String formatPageString(@NotNull String format, int page) {
final StringBuilder convertedFormat = new StringBuilder();
StringBuilder currentPlaceholder = new StringBuilder();
boolean readingPlaceholder = false;
for (char c : format.toCharArray()) {
if (c == '%') {
if (readingPlaceholder) {
switch (currentPlaceholder.toString().toLowerCase()) {
case "topic":
convertedFormat.append(formatPageString(options.topic, page));
break;
case "color":
convertedFormat.append(String.format("#%02x%02x%02x", options.themeColor.getRed(), options.themeColor.getGreen(), options.themeColor.getBlue()));
break;
case "first_item_on_page_index":
convertedFormat.append(((page - 1) * options.itemsPerPage) + 1);
break;
case "last_item_on_page_index":
convertedFormat.append(((page - 1) * options.itemsPerPage) + getItemsForPage(page).size());
break;
case "total_items":
convertedFormat.append(items.size());
break;
case "current_page":
convertedFormat.append(page);
break;
case "total_pages":
convertedFormat.append(getTotalPages());
break;
case "previous_page_button":
if (page > 1) {
convertedFormat.append(formatPageString(options.previousButtonFormat, page));
}
break;
case "next_page_button":
if (page < getTotalPages()) {
convertedFormat.append(formatPageString(options.nextButtonFormat, page));
}
break;
case "next_page_index":
convertedFormat.append(page + 1);
break;
case "previous_page_index":
convertedFormat.append(page - 1);
break;
case "command":
convertedFormat.append(options.command);
break;
case "page_jumpers":
if (getTotalPages() > 2) {
convertedFormat.append(formatPageString(options.pageJumpersFormat, page));
}
break;
case "page_jump_buttons": {
final StringJoiner pageGroups = new StringJoiner(options.pageJumperGroupSeparator);
StringJoiner pages = new StringJoiner(options.pageJumperPageSeparator);
for (int i = 1; i <= getTotalPages(); i++) {
int startCutOff = (page <= 3 ? page - 1 : 3);
int endCutOff = (page > getTotalPages() - 3 ? page + 1 : getTotalPages() - 3);
if (i == startCutOff + 1 || i == endCutOff) {
pageGroups.add(pages.toString());
pages = new StringJoiner(options.pageJumperPageSeparator);
}
if ((i <= startCutOff) || (i > endCutOff)) {
pages.add(formatPageString(formatPageJumper(i), i));
} else if (i == page) {
pages.add(formatPageString(options.pageJumperCurrentPageFormat, i));
}
}
if (!pages.toString().isBlank()) {
pageGroups.add(pages.toString());
}
convertedFormat.append(pageGroups);
break;
}
}
} else {
currentPlaceholder = new StringBuilder();
}
readingPlaceholder = !readingPlaceholder;
continue;
}
if (readingPlaceholder) {
currentPlaceholder.append(c);
} else {
convertedFormat.append(c);
}
}
return convertedFormat.toString();
}
/**
* Formats a page jumper format with values
*
* @param page The page number of the jumper to format
* @return The formatted page jumper
*/
@NotNull
private String formatPageJumper(final int page) {
return formatPageString(options.pageJumperPageFormat.replaceAll("%target_page_index%",
Integer.toString(page)), page);
}
}

@ -0,0 +1,9 @@
package net.william278.paginedown;
public class PaginationException extends RuntimeException {
public PaginationException(String message) {
super(message);
}
}

@ -0,0 +1,35 @@
package net.william278.paginedown;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.List;
public class PaginatedListTests {
// Generates dummy list data for testing
private List<String> generateListData(final int size, final String format) {
final ArrayList<String> dummyData = new ArrayList<>();
for (int i = 0; i < size; i++) {
dummyData.add(format.replaceAll("#", String.valueOf(i + 1)));
}
return dummyData;
}
@Test
public void testListPagination() {
final String listPage = PaginatedList.of(generateListData(100, "Element #")).getRawPage(3);
Assertions.assertNotNull(listPage);
}
@Test
public void testPageItemDividing() {
final int pageCount = PaginatedList.of(generateListData(40, "Item #"),
new ListOptions.Builder()
.setItemsPerPage(10)
.build()
).getTotalPages();
Assertions.assertEquals(4, pageCount);
}
}
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