litesoft
@ 630
litesoft / trunk / GWT_Sandbox / FormEngine / src / com / temp / client / foundation / widget / input / fieldsupport / AbstractGeneratedInputField.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 |
package com.temp.client.foundation.widget.input.fieldsupport; import com.google.gwt.user.client.ui.*; import com.temp.client.foundation.util.UtilsGwt; import com.temp.client.foundation.widget.*; import com.temp.client.foundation.widget.input.LabelPosition; import com.temp.client.foundation.widget.input.support.TextLabel; import com.temp.shared.ValueValidator; import com.temp.shared.externalization.E13nData; import com.temp.shared.externalization.E13nResolver; import com.temp.shared.utils.ObjectUtils; import com.temp.shared.utils.StringUtils; import com.temp.shared.utils.Validate; import com.temp.shared.validators.RequiredValueValidator; /** * Common abstract helper for the generated Widget versions of the InputField. */ public abstract class AbstractGeneratedInputField<T, C extends AbstractGeneratedInputField<T, C>> extends AbstractInputField<T, C> implements IsWidget { // Optionally set/changed private boolean required = false; private boolean errorLabel = true; private boolean extendedLabel = false; private boolean example = false; private LabelPosition labelPosition = LabelPosition.Left; // Optionally set private String helpLink; // The above must be set/changed BEFORE the widget is attached! private final NamedHorizontalPanel container = new NamedHorizontalPanel(); public AbstractGeneratedInputField() { container.add(new Label("!?!")); } @Override protected Panel getContainer() { return container; } @Override public Widget asWidget() { return container; } // Configuration Methods public final String getLabel() { return labelPosition.name(); } public final void setLabel(String labelPosition) { assertBuildMode("setLabel"); labelPosition = StringUtils.noEmpty(labelPosition); LabelPosition position = ObjectUtils.oneOfToStringIgnoreCase(labelPosition, LabelPosition.values()); if (position == null) { throw new IllegalArgumentException("Unacceptable LabelPosition of: " + labelPosition); } setValidatedLabelPosition(position); } public final LabelPosition getLabelPosition() { return labelPosition; } public final void setLabelPosition(LabelPosition labelPosition) { assertBuildMode("setLabelPosition"); Validate.notNull("LabelPosition", labelPosition); setValidatedLabelPosition(labelPosition); } public C labelPosition(LabelPosition labelPosition) { assertBuildMode("labelPosition"); Validate.notNull("LabelPosition", labelPosition); setValidatedLabelPosition(labelPosition); return inheritanceLeaf(); } protected void setValidatedLabelPosition(LabelPosition labelPosition) { this.labelPosition = labelPosition; } public final boolean isRequired() { return required; } public final void setRequired(boolean required) { assertBuildMode("setRequired"); setValidatedRequired(required); } public C required() { assertBuildMode("required"); setValidatedRequired(true); return inheritanceLeaf(); } protected void setValidatedRequired(boolean required) { this.required = required; if (required) { setValidatedErrorLabel(true); } } public final boolean isErrorLabel() { return errorLabel; } public final void setErrorLabel(boolean errorLabel) { assertBuildMode("setErrorLabel"); setValidatedErrorLabel(errorLabel); } public C errorLabel() { assertBuildMode("errorLabel"); setValidatedErrorLabel(true); return inheritanceLeaf(); } protected void setValidatedErrorLabel(boolean errorLabel) { this.errorLabel = errorLabel; } public final boolean isExtendedLabel() { return extendedLabel; } public final void setExtendedLabel(boolean extendedLabel) { assertBuildMode("setExtendedLabel"); setValidatedExtendedLabel(extendedLabel); } public C extendedLabel() { assertBuildMode("extendedLabel"); setValidatedExtendedLabel(true); return inheritanceLeaf(); } protected void setValidatedExtendedLabel(boolean extendedLabel) { this.extendedLabel = extendedLabel; } public final boolean isExample() { return example; } public final void setExample(boolean example) { assertBuildMode("setExample"); setValidatedExample(example); } public C example() { assertBuildMode("example"); setValidatedExample(true); return inheritanceLeaf(); } protected void setValidatedExample(boolean example) { this.example = example; } public final String getHelpLink() { return helpLink; } public final void setHelpLink(String helpLink) { assertBuildMode("setHelpLink"); setValidatedHelpLink(StringUtils.noEmpty(helpLink)); } public C helpLink(String helpLink) { assertBuildMode("helpLink"); setValidatedHelpLink(StringUtils.noEmpty(helpLink)); return inheritanceLeaf(); } protected void setValidatedHelpLink(String helpLink) { this.helpLink = helpLink; } // Anytime Methods // Widget/Component Accessor Methods // Support Methods... @Override protected void validatorAdded(ValueValidator<T> validator) { CompleteInputFieldAccessor<T> fieldAccessor = checkRunMode(); if (fieldAccessor != null) { updateStyle(fieldAccessor); } } @Override protected void updateErrorLabel(Widget errorLabel, E13nData error) { String errorText = revolve("updateErrorLabel", error); ((TextLabel) errorLabel).setText(errorText); UtilsGwt.setHidden(errorLabel, errorText == null); } protected CompleteInputFieldAccessor<T> buildActualWidget(E13nResolver resolver) { container.setName(getName()); namedWidgets.add(container); InputFieldAccessor<T> accessor = createBaseAccessor(); InputWidgetValidator<T> validator = accessor.getValidator(); TextLabel labelTextLabel = null; TextLabel extendedTextLabel = null; if (!LabelPosition.None.equals(labelPosition)) { labelTextLabel = createWrappingLabel("labelLabel", true, resolver, "field-label"); extendedTextLabel = createWrappingLabel("extendedLabel", extendedLabel, resolver, "field-extendedLabel"); } TextLabel exampleTextLabel = createWrappingLabel("exampleLabel", example, resolver, "field-example"); TextLabel errorTextLabel = null; if (validator != null) { errorTextLabel = createClippingLabel("field-error", errorLabel); if (required) { addTo(validator, RequiredValueValidator.INSTANCE); } augmentValidator(validator); validator.addValidators(getValidators()); } HelpWidget helpWidget = (helpLink != null) ? createHelpWidget() : null; CompleteInputFieldAccessor<T> completeAccessor = new CompleteInputFieldAccessor<T>(resolver, // labelTextLabel, // extendedTextLabel, // accessor, // helpWidget, // exampleTextLabel, // errorTextLabel); populate(container, completeAccessor); return completeAccessor; } protected HelpWidget createHelpWidget() { return addNamedWidgetWithNameExtension(new HelpWidget().link(helpLink), "helpWidget"); } @SuppressWarnings("UnusedParameters") protected void augmentValidator(InputWidgetValidator<T> validator) { } @SuppressWarnings("unchecked") protected void addTo(InputWidgetValidator<T> validator, ValueValidator valueValidator) { validator.addValidator(valueValidator); } protected final TextLabel createWrappingLabel(String styleName, boolean create, E13nResolver resolver, String resolveKey) { if (create) { String text = resolver.resolve(resolveKey); if (text != null) { return addNamedWidgetWithStyle(new WrappingLabel(text), styleName); } } return null; } protected final TextLabel createClippingLabel(String styleName, boolean create) { return create ? addNamedWidgetWithStyle(new ClippingLabel(), styleName) : null; } private TextLabel createRequiredLabel() { return addNamedWidgetWithStyle(new NonWrappingLabel(required ? " * " : " ", true), "requiredSpacer"); } protected void populate(HorizontalPanel container, CompleteInputFieldAccessor<T> completeAccessor) { container.clear(); // Remove "Stand In" container.addStyleName(ObjectUtils.getSimpleClassName(this)); // Add Style on Container for Cascade customization! container.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT); container.setVerticalAlignment(HasVerticalAlignment.ALIGN_TOP); VerticalPanel labelPanel = null; VerticalPanel centerPanel = UtilsGwt.vertical("fieldCenter"); HelpWidget helpWidget = completeAccessor.getHelpWidget(); switch (labelPosition) { default: case Left: container.add(labelPanel = UtilsGwt.vertical("fieldLeft")); labelPanel.add(completeAccessor.getLabelLabel()); container.add(createRequiredLabel()); container.add(centerPanel); break; case Top: container.add(labelPanel = centerPanel); labelPanel.add(UtilsGwt.horizontal(completeAccessor.getLabelLabel(), createRequiredLabel())); break; case Right: container.add(centerPanel); container.add(labelPanel = UtilsGwt.vertical("fieldRight")); labelPanel.add(UtilsGwt.horizontal(completeAccessor.getLabelLabel(), createRequiredLabel(), helpWidget)); helpWidget = null; break; case None: break; } UtilsGwt.add(labelPanel, completeAccessor.getExtendedLabel()); // Add HelpWidget if (helpWidget != null) { container.add(UtilsGwt.add(UtilsGwt.vertical("fieldRight"), helpWidget)); } // populate the Center centerPanel.add(completeAccessor.getInputWidget()); UtilsGwt.add(centerPanel, completeAccessor.getExampleLabel()); UtilsGwt.add(centerPanel, completeAccessor.getErrorLabel()); } protected <W extends Widget & HasName> InputFieldAccessor<T> createBaseAccessor(InputWidgetValueAdapter<T> valueAdapter, W inputWidget, String style, Focusable... focusables) { InputWidgetValidator<T> validator = new InputWidgetValidator<T>(valueAdapter); InputWidgetChangeFilter<T> input = new InputWidgetChangeFilter<T>(validator); return new InputFieldAccessor<T>(input, validator, valueAdapter, addNamedWidgetWithStyle(inputWidget, style), focusables); } abstract protected InputFieldAccessor<T> createBaseAccessor(); } |