| 1 | package com.googlecode.lanterna.gui2.dialogs; |
| 2 | |
| 3 | import com.googlecode.lanterna.TerminalSize; |
| 4 | |
| 5 | import java.util.regex.Matcher; |
| 6 | import java.util.regex.Pattern; |
| 7 | |
| 8 | /** |
| 9 | * Dialog builder for the {@code TextInputDialog} class, use this to create instances of that class and to customize |
| 10 | * them |
| 11 | * @author Martin |
| 12 | */ |
| 13 | public class TextInputDialogBuilder extends AbstractDialogBuilder<TextInputDialogBuilder, TextInputDialog> { |
| 14 | private String initialContent; |
| 15 | private TerminalSize textBoxSize; |
| 16 | private TextInputDialogResultValidator validator; |
| 17 | private boolean passwordInput; |
| 18 | |
| 19 | /** |
| 20 | * Default constructor |
| 21 | */ |
| 22 | public TextInputDialogBuilder() { |
| 23 | super("TextInputDialog"); |
| 24 | this.initialContent = ""; |
| 25 | this.textBoxSize = null; |
| 26 | this.validator = null; |
| 27 | this.passwordInput = false; |
| 28 | } |
| 29 | |
| 30 | @Override |
| 31 | protected TextInputDialogBuilder self() { |
| 32 | return this; |
| 33 | } |
| 34 | |
| 35 | protected TextInputDialog buildDialog() { |
| 36 | TerminalSize size = textBoxSize; |
| 37 | if ((initialContent == null || initialContent.trim().equals("")) && size == null) { |
| 38 | size = new TerminalSize(40, 1); |
| 39 | } |
| 40 | return new TextInputDialog( |
| 41 | title, |
| 42 | description, |
| 43 | size, |
| 44 | initialContent, |
| 45 | validator, |
| 46 | passwordInput); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Sets the initial content the dialog will have |
| 51 | * @param initialContent Initial content the dialog will have |
| 52 | * @return Itself |
| 53 | */ |
| 54 | public TextInputDialogBuilder setInitialContent(String initialContent) { |
| 55 | this.initialContent = initialContent; |
| 56 | return this; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Returns the initial content the dialog will have |
| 61 | * @return Initial content the dialog will have |
| 62 | */ |
| 63 | public String getInitialContent() { |
| 64 | return initialContent; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Sets the size of the text box the dialog will have |
| 69 | * @param textBoxSize Size of the text box the dialog will have |
| 70 | * @return Itself |
| 71 | */ |
| 72 | public TextInputDialogBuilder setTextBoxSize(TerminalSize textBoxSize) { |
| 73 | this.textBoxSize = textBoxSize; |
| 74 | return this; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Returns the size of the text box the dialog will have |
| 79 | * @return Size of the text box the dialog will have |
| 80 | */ |
| 81 | public TerminalSize getTextBoxSize() { |
| 82 | return textBoxSize; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Sets the validator that will be attached to the text box in the dialog |
| 87 | * @param validator Validator that will be attached to the text box in the dialog |
| 88 | * @return Itself |
| 89 | */ |
| 90 | public TextInputDialogBuilder setValidator(TextInputDialogResultValidator validator) { |
| 91 | this.validator = validator; |
| 92 | return this; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Returns the validator that will be attached to the text box in the dialog |
| 97 | * @return validator that will be attached to the text box in the dialog |
| 98 | */ |
| 99 | public TextInputDialogResultValidator getValidator() { |
| 100 | return validator; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Helper method that assigned a validator to the text box the dialog will have which matches the pattern supplied |
| 105 | * @param pattern Pattern to validate the text box |
| 106 | * @param errorMessage Error message to show when the pattern doesn't match |
| 107 | * @return Itself |
| 108 | */ |
| 109 | public TextInputDialogBuilder setValidationPattern(final Pattern pattern, final String errorMessage) { |
| 110 | return setValidator(new TextInputDialogResultValidator() { |
| 111 | @Override |
| 112 | public String validate(String content) { |
| 113 | Matcher matcher = pattern.matcher(content); |
| 114 | if(!matcher.matches()) { |
| 115 | if(errorMessage == null) { |
| 116 | return "Invalid input"; |
| 117 | } |
| 118 | return errorMessage; |
| 119 | } |
| 120 | return null; |
| 121 | } |
| 122 | }); |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Sets if the text box the dialog will have contains a password and should be masked (default: {@code false}) |
| 127 | * @param passwordInput {@code true} if the text box should be password masked, {@code false} otherwise |
| 128 | * @return Itself |
| 129 | */ |
| 130 | public TextInputDialogBuilder setPasswordInput(boolean passwordInput) { |
| 131 | this.passwordInput = passwordInput; |
| 132 | return this; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Returns {@code true} if the text box the dialog will have contains a password and should be masked |
| 137 | * @return {@code true} if the text box the dialog will have contains a password and should be masked |
| 138 | */ |
| 139 | public boolean isPasswordInput() { |
| 140 | return passwordInput; |
| 141 | } |
| 142 | } |