a_cmslistexplorerdialog.java

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        // position 2: lock icon
        CmsListColumnDefinition lockIconCol = new CmsListColumnDefinition(LIST_COLUMN_LOCKICON);
        lockIconCol.setName(Messages.get().container(Messages.GUI_EXPLORER_LIST_COLS_LOCK_0));
        lockIconCol.setWidth("20");
        lockIconCol.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
        lockIconCol.setListItemComparator(new CmsListItemActionIconComparator());

        // add lock icon action
        CmsListDirectAction resourceLockIconAction = new CmsListResourceLockAction(LIST_ACTION_LOCKICON);
        resourceLockIconAction.setEnabled(false);
        lockIconCol.addDirectAction(resourceLockIconAction);
        metadata.addColumn(lockIconCol);

        // position 3: project state icon, resource is inside or outside current project        
        CmsListColumnDefinition projStateIconCol = new CmsListColumnDefinition(LIST_COLUMN_PROJSTATEICON);
        projStateIconCol.setName(Messages.get().container(Messages.GUI_EXPLORER_LIST_COLS_PROJSTATE_0));
        projStateIconCol.setWidth("20");

        // add resource icon action
        CmsListDirectAction resourceProjStateAction = new CmsListResourceProjStateAction(LIST_ACTION_PROJSTATEICON);
        resourceProjStateAction.setEnabled(false);
        projStateIconCol.addDirectAction(resourceProjStateAction);
        metadata.addColumn(projStateIconCol);

        // position 4: name
        CmsListColumnDefinition nameCol = new CmsListExplorerColumn(LIST_COLUMN_NAME);
        if (!(getSettings().getExplorerMode().equals(CmsExplorer.VIEW_GALLERY) || getSettings().getExplorerMode().equals(
            CmsExplorer.VIEW_LIST))) {
            nameCol.setName(org.opencms.workplace.explorer.Messages.get().container(
                org.opencms.workplace.explorer.Messages.GUI_INPUT_NAME_0));
        } else {
            nameCol.setName(org.opencms.workplace.explorer.Messages.get().container(
                org.opencms.workplace.explorer.Messages.GUI_INPUT_PATH_0));
        }

        // add resource open action
        CmsListDefaultAction resourceOpenDefAction = new CmsListOpenResourceAction(
            LIST_DEFACTION_OPEN,
            LIST_COLUMN_ROOT_PATH);
        resourceOpenDefAction.setEnabled(true);
        nameCol.addDefaultAction(resourceOpenDefAction);
        metadata.addColumn(nameCol);
        nameCol.setPrintable(false);

        // position 4: root path for printing
        CmsListColumnDefinition rootPathCol = new CmsListExplorerColumn(LIST_COLUMN_ROOT_PATH);
        rootPathCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_NAME_0));
        rootPathCol.setVisible(false);
        rootPathCol.setPrintable(true);
        metadata.addColumn(rootPathCol);

        // position 5: title
        CmsListColumnDefinition titleCol = new CmsListExplorerColumn(LIST_COLUMN_TITLE);
        titleCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_TITLE_0));
        metadata.addColumn(titleCol);

        // position 6: resource type
        CmsListColumnDefinition typeCol = new CmsListExplorerColumn(LIST_COLUMN_TYPE);
        typeCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_TYPE_0));
        metadata.addColumn(typeCol);

        // position 7: size
        CmsListColumnDefinition sizeCol = new CmsListExplorerColumn(LIST_COLUMN_SIZE);
        sizeCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_SIZE_0));
        metadata.addColumn(sizeCol);

        // position 8: permissions
        CmsListColumnDefinition permissionsCol = new CmsListExplorerColumn(LIST_COLUMN_PERMISSIONS);
        permissionsCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_PERMISSIONS_0));
        metadata.addColumn(permissionsCol);

        // position 9: date of last modification
        CmsListColumnDefinition dateLastModCol = new CmsListExplorerColumn(LIST_COLUMN_DATELASTMOD);
        dateLastModCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_DATELASTMODIFIED_0));
        dateLastModCol.setFormatter(CmsListDateMacroFormatter.getDefaultDateFormatter());
        metadata.addColumn(dateLastModCol);

        // position 10: user who last modified the resource
        CmsListColumnDefinition userLastModCol = new CmsListExplorerColumn(LIST_COLUMN_USERLASTMOD);
        userLastModCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_USERLASTMODIFIED_0));
        metadata.addColumn(userLastModCol);

        // position 11: date of creation
        CmsListColumnDefinition dateCreateCol = new CmsListExplorerColumn(LIST_COLUMN_DATECREATE);
        dateCreateCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_DATECREATED_0));
        dateCreateCol.setFormatter(CmsListDateMacroFormatter.getDefaultDateFormatter());
        metadata.addColumn(dateCreateCol);

        // position 12: user who created the resource
        CmsListColumnDefinition userCreateCol = new CmsListExplorerColumn(LIST_COLUMN_USERCREATE);
        userCreateCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_USERCREATED_0));
        metadata.addColumn(userCreateCol);

        // position 13: date of release
        CmsListColumnDefinition dateReleaseCol = new CmsListExplorerColumn(LIST_COLUMN_DATEREL);
        dateReleaseCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_DATERELEASED_0));
        dateReleaseCol.setFormatter(new CmsListDateMacroFormatter(
            Messages.get().container(Messages.GUI_LIST_DATE_FORMAT_1),
            new CmsMessageContainer(null, CmsTouch.DEFAULT_DATE_STRING),
            CmsResource.DATE_RELEASED_DEFAULT));
        metadata.addColumn(dateReleaseCol);

        // position 14: date of expiration
        CmsListColumnDefinition dateExpirationCol = new CmsListExplorerColumn(LIST_COLUMN_DATEEXP);
        dateExpirationCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_DATEEXPIRED_0));
        dateExpirationCol.setFormatter(new CmsListDateMacroFormatter(
            Messages.get().container(Messages.GUI_LIST_DATE_FORMAT_1),
            new CmsMessageContainer(null, CmsTouch.DEFAULT_DATE_STRING),
            CmsResource.DATE_EXPIRED_DEFAULT));
        metadata.addColumn(dateExpirationCol);

        // position 15: state (changed, unchanged, new, deleted)
        CmsListColumnDefinition stateCol = new CmsListExplorerColumn(LIST_COLUMN_STATE);
        stateCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_STATE_0));
        metadata.addColumn(stateCol);

        // position 16: locked by
        CmsListColumnDefinition lockedByCol = new CmsListExplorerColumn(LIST_COLUMN_LOCKEDBY);
        lockedByCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_INPUT_LOCKEDBY_0));
        metadata.addColumn(lockedByCol);

        // position 17: site
        CmsListColumnDefinition siteCol = new CmsListExplorerColumn(LIST_COLUMN_SITE);
        siteCol.setName(org.opencms.workplace.explorer.Messages.get().container(
            org.opencms.workplace.explorer.Messages.GUI_LABEL_SITE_0));
        metadata.addColumn(siteCol);
    }

    /**
     * Sets the default column visibility flags from the user preferences.<p>
     */
    protected void setColumnVisibilities() {

        m_colVisibilities = new HashMap(16);
        // set explorer configurable column visibilities
        int preferences = new CmsUserSettings(getCms()).getExplorerSettings();
        setColumnVisibility(CmsUserSettings.FILELIST_TITLE, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_TYPE, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_SIZE, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_PERMISSIONS, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_DATE_LASTMODIFIED, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_USER_LASTMODIFIED, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_DATE_CREATED, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_USER_CREATED, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_DATE_RELEASED, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_DATE_EXPIRED, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_STATE, preferences);
        setColumnVisibility(CmsUserSettings.FILELIST_LOCKEDBY, preferences);
        // set explorer no configurable column visibilities
        m_colVisibilities.put(new Integer(LIST_COLUMN_TYPEICON.hashCode()), Boolean.TRUE);
        m_colVisibilities.put(new Integer(LIST_COLUMN_LOCKICON.hashCode()), Boolean.TRUE);
        m_colVisibilities.put(new Integer(LIST_COLUMN_PROJSTATEICON.hashCode()), Boolean.TRUE);
        m_colVisibilities.put(new Integer(LIST_COLUMN_NAME.hashCode()), Boolean.TRUE);
        m_colVisibilities.put(new Integer(LIST_COLUMN_EDIT.hashCode()), Boolean.FALSE);
        m_colVisibilities.put(
            new Integer(LIST_COLUMN_SITE.hashCode()),
            Boolean.valueOf(OpenCms.getSiteManager().getSites().size() > 1));
    }

    /**
     * Sets the given column visibility flag from the given preferences.<p>
     * 
     * @param colFlag the flag that identifies the column to set the flag for
     * @param prefs the user preferences
     */
    protected void setColumnVisibility(int colFlag, int prefs) {

        Integer key = new Integer(colFlag);
        Boolean value = Boolean.valueOf((prefs & colFlag) > 0);
        m_colVisibilities.put(key, value);
    }

    /**
     * Sets the colVisibilities map.<p>
     *
     * @param colVisibilities the colVisibilities map to set
     */
    protected void setColVisibilities(Map colVisibilities) {

        m_colVisibilities = colVisibilities;
    }

    /**
     * @see org.opencms.workplace.list.A_CmsListDialog#setIndependentActions(org.opencms.workplace.list.CmsListMetadata)
     */
    protected void setIndependentActions(CmsListMetadata metadata) {

        metadata.addIndependentAction(CmsListIndependentAction.getDefaultExplorerSwitchAction());
    }

    /**
     * Returns the show explorer flag.<p>
     * 
     * @return the show explorer flag
     */
    private boolean getShowExplorer() {

        if (getParamShowexplorer() != null) {
            return Boolean.valueOf(getParamShowexplorer()).booleanValue();
        }
        Map dialogObject = (Map)getSettings().getDialogObject();
        if (dialogObject == null) {
            return false;
        }
        Boolean storedParam = (Boolean)dialogObject.get(getClass().getName());
        if (storedParam == null) {
            return false;
        }
        return storedParam.booleanValue();
    }

    /**
     * Sets the show explorer flag.<p>
     * 
     * @param showExplorer the show explorer flag
     */
    private void setShowExplorer(boolean showExplorer) {

        Map dialogMap = (Map)getSettings().getDialogObject();
        if (dialogMap == null) {
            dialogMap = new HashMap();
            getSettings().setDialogObject(dialogMap);
        }
        dialogMap.put(getClass().getName(), Boolean.valueOf(showExplorer));
    }
}